The Sphere MIPS delivers a perfect combination of great looks, all day comfort, performance and features to help protect in the event of an impact. You will look forward to every ride in the Lazer Sphere MIPS helmet. The ARS Fit System enables progressive fit adjustment via a thumbwheel. It distributes pressure evenly around the head, eliminating hot spots and pressure points. The adjustable head basket is ponytail friendly. Eighteen vents orientated at a 15-degree angle assures maximum airflow when the helmet is in the riding position. MIPS protection helps reduce the risk of rotational injury. A polycarbonate layer built inside the helmet keeps the foam together in the event of a crash, offering better protection from successive impacts. Sphere MIPS has been awarded the 5-Star "Best Available" protection rating from Virginia Tech. A docking area makes eyewear storage easy and bottom-shell protection helps prevent damage to the helmet foam. The optional Aeroshell accessory protects against the helmets or offers an aerodynamic benefit when desired. The Sphere MIPS weighs just 280 grams. WEIGHT: 280g (size small) MATERIAL: EPS Foam, Polycarbonate, Nylon FIT SYSTEM: Advanced Rollsys System (ARS) VENTILATION: 18 ROTATIONAL PROTECTION: MIPS CERTIFICATION: CPSC ACCESSORIES: Optional Aeroshell Sizing: - Small = 52 – 56cm - Medium = 55 – 59cm - Large = 58 – 61cm Features: Lazer Aeroshell compatible Multi use polycarbonate cover which fits over top of your helmet. It covers the front and side vents to protect your head from rain and cold or to gain an aerodynamic advantage. Adjustable Head Basket Allows the back part of the retention system to be adjusted up and down depending upon your preference and comfort. The nylon ratchet system can be pushed high and out of the way, or low for a feeling of increased security. Advanced Rollsys System (ARS) Easily adjust your helmet's fit by using the thumbwheel on the top of the helmet. Lazer's unique fit system prevents hotspots or pressure points by making the adjustment around the entire circumference of the head. MIPS layer The Multi-Directional Impact Protection System (MIPS) helps reduce the risk of rotational brain injury by isolating your head from the rotation of the helmet shell in the event of an impact. 5-star protection rating The Virginia Tech impact testing uses the STAR evaluation system to determine the helmet's ability to reduce linear acceleration and rotational velocity of the head resulting from a range of impacts a cyclist might experience. 5-star indicates the "Best Available" rating possible. Virginia Tech recommends the use of any 4- or 5-star rated helmet. Well ventilated Carefully designed vents and internal channeling pull air into the helmet and across your head for increased airflow. Essential for performance and comfort during high temperatures and hard efforts.

For maximum safety, the Viantor has the ActiCage structural reinforcement integrated into the EPS. It provides maximum protection while ensuring optimal ventilation and extreme comfort. - ActiCage allows for large ventilation openings without compromising the helmet's safety - Multi Shell In-Mold for durable bonding of multi-part outer shell and shock-absorbing helmet material (EPS) - Good ventilation with 4 air inlets and 14 air outlets connected with flow channels - Zoom Ace fit system with a non-slip adjustment wheel - Semi-enclosing plastic ring connected to the adjustment system for optimum stability and fit - Ponytail-compatible and well suited for braided hairstyles Sizing: - Small: 51 – 55cm - Medium: 52 – 58cm - Large: 58 – 63cm

FOR MORE SAFETY The ABUS MoDrop MIPS can handle any terrain and any riding style and always leaves you wanting more. The mountain bike helmet is the best companion for big mountain days, experiences on the trail or just leisurely family outings. Equipped with our MTB-specific adjustment system and TriVider webbing distributors, this helmet offers many features that make it more comfortable to wear. The height-adjustable, visor-like visor protects you from hanging branches when riding downhill. In the event of a fall, it can also prevent direct impact with the face. Additional safety is provided by the MIPS impact protection. This is intended to protect the brain, especially if the cyclist's head hits the ground at an angle during a fall. In a fall, the brain is exposed to strong rotational movements that can lead to severe brain injuries. With MIPS, a movable low-friction plastic shell is integrated into the helmet to ensure that rotation is reduced and the head is better protected. - Multi-Shell In-Mould for a permanent bond between the outer shell and the shock-absorbing helmet material (EPS) - Zoom Ace MTB: Height-adjustable adjustment system to fit the head circumference - Ponytail compatibility: Helmet well suited for ponytail wearers - Laterally adjustable, non-slip TriVider webbing distributor - Molded lower shell for added durability - QUIN ready—easy upgrade with the separately available QUIN chip for fall detection - GoggFit: Device that allows a pair of goggles to be fixed to the helmet when the athlete doesn't need them while riding - MIPS: Impact protection that protects the brain, especially when the cyclist's head hits the ground at an angle during a fall. - Ventilation: excellent ventilation for this helmet type due to 6 air inlets and 8 air outlets - Bug mesh: thorough protection against insects

The MET Rivale MIPS offers superior performance and an aggressive presence on the road that leaves a lasting impression. More safe. More comfortable. More efficient. With its MIPS technology, the Rivale combines an extraordinary price-quality ratio, as well as all the advantages of a brain protection system. MIPS is engineered to add at least 10% extra safety to the standard construction of helmets in case of certain impacts. The MIPS Brain Protection System (BPS) is attached inside the helmet, between the comfort padding and the EPS. The Rivale's fit is unparalleled, and thanks to its Safe-T Upsilon retention system the helmet is stable on the head. The 360° head belt ensures that there will be no pressure points on the skull, and the easy to use vertical adjustment provides a customized fit. The front of the helmet is designed with wider and longer vents which improve ventilation and can also serve as a place to securely dock sunglasses. A combination that ensures pure riding fun. - In-mold polycarbonate shell with EPS liner - MIPS C2 rotational management system is engineered to add protection in case of certain impacts - Exceptionally comfortable and secure on the head thanks to refined internal shape - MET Safe-T Upsilon Fit System - 360° head belt, and vertical adjustments offer a customized fit - Air Lite straps with adjustable divider maximize aerodynamic and comfort - Tube-shaped tail to improve aerodynamics - 18 vents are internally engineered with an air channeling system to improve ventilation and comfort - Reflective rear decals to enhance visibility in low-light conditions - Sunglasses ports to securely dock sunglasses when climbing or resting - Certifications CE; AS/NZS; US Sizing: - Small/Medium = 52 – 56cm - Medium/Large = 56 – 58cm - Large/X-Large = 58 – 61cm

All-purpose, value-packed helmet balances performance and comfort. Value-packed protection Wear it and believe it. The Solstice is proof you don't have to spend a lot of money to get a great fitting, easy-to-use cycling helmet designed to keep you protected during all your bike riding adventures. Product details - Designed for larger vents and increased airflow while maintaining structural integrity - Built-in and removable visor options give you two choices for constant coverage - Intuitive, one-handed Headmaster fit system adjusts height and circumference - LockDown dividers make helmet strap management clean and easy to adjust - Internal, recessed channels move airflow over your head to keep you cool and dry - Soft, comfortable, moisture-wicking, and washable helmet pads - Crash Replacement Guarantee provides free helmet replacement if it is involved in a crash within the first year of ownership Specifications - Size (head circumference): Small/Medium (51-58cm); Medium/Large (55-61cm) - Fit system: Headmaster II - Pad material: Moisture wicking pads - Buckle type: Standard buckle - Includes: Visor plugs - Weight: 290g (Small/Medium)

Ultra-versatile helmet that is light, cool, and sleek with the added protection of WaveCel advanced helmet technology and the convenience of magnetic light mounts. If you're going to get just one helmet, make it this one Whether your finish line is on the race course or at your front door, Bontrager's Circuit WaveCel delivers the right performance, comfort, and tech to be your go-to helmet for any ride. It's equipped with features any rider will appreciate on any terrain, like WaveCel technology, a BOA Fit System for superior comfort and security, and the Blendr mount system for easy light and camera integration. WaveCel is a collapsible cellular structure that lines the inside of the helmet. This Bontrager-exclusive technology disrupts the safety standards the industry has accepted for over 30 years. Product details - WaveCel advanced helmet technology - BOA Fit System lets you easily secure and adjust your fit with one hand - Blendr magnetic mount system easily integrates a GoPro camera and Bontrager lights - Made of 50% recycled EPS material - FlatStrap semi-fixed strap dividers lay flush and move fore and aft for a perfect fit - Soft, comfortable, moisture-wicking, and washable helmet pads - Reflective elements on the back of the helmet offer enhanced visibility - Crash Replacement Guarantee provides free replacement if your helmet is impacted in the first year of ownership

An off-road helmet with WaveCel technology that balances comfort and performance for trail riders who value safety. - WaveCel advanced helmet technology - Virginia Tech 5 STAR safety rating - BOA® Fit system lets you easily secure and adjust your helmet with one hand - Adjustable visor offers multiple coverage options - LockDown dividers make helmet strap management clean and easy to adjust - Soft, comfortable, and moisture-wicking washable helmet pads

An all-around, road racing helmet that is light, cool, fast, and features the added protection of Mips. Light is fast. Fast is cool. Velocis Mips is now lighter, cooler, and faster than ever thanks to insight and feedback from Trek-Segafredo. And with a full suite of pro-level features, this helmet is bound for the podium. Velocis is designed with protection front and center. This helmet earned a Virginia Tech 5-STAR safety rating and features a Mips Air safety system. Product details: - Trek's lightest road helmet is now even lighter, saving grams and providing more comfort - Improved ventilation and channeling keeps you cooler and moves you faster - The Mips Air system is light, cool, and designed to improve comfort and protection - The single-lace BOA® fit system is fully adjustable to provide a custom, 360° fit - Rubberized sunglasses docking port provides secure and easy-to-use storage - Beveled front edge improves field of view while riding in the drops and on the hoods - 5-STAR Virginia Tech safety rating - Complies with U.S. CPSC safety standards for bicycle helmets for persons age 1 and over Trek Velocis Mips – Light, fast, cool Designed to meet the everyday demands of Trek-Segafredo, Velocis is a versatile helmet that excels anywhere you ride. It’s lighter, cooler, and faster than ever before and, with added tech like the Mips Air safety system, a customizable BOA® fit system, and secure sunglasses storage, you’ll be ready for an epic day in the mountains or chasing local KOMs.

An off-road helmet with WaveCel technology that balances comfort and performance for trail riders who value safety. A major advancement in the protection against cycling-related head injuries Rally WaveCel is a high-style, high-value off-road helmet with trail-specific features and WaveCel, a leading technology in the protection against cycling-related head injuries. WaveCel is a collapsible cellular structure that lines the inside of the helmet. This Bontrager-exclusive technology disrupts the safety standards the industry has accepted for over 30 years. Product details - WaveCel advanced helmet technology - Virginia Tech 5 STAR rating - BOA Fit System lets you easily secure and adjust your helmet fit with one hand - Adjustable visor offers multiple coverage options - Extended back-of-helmet shell offers additional rear protection - LockDown dividers make helmet strap management clean and easy to adjust - Soft, comfortable, moisture-wicking, and washable helmet pads - Crash Replacement Guarantee provides a free helmet replacement if involved in a crash within the first year of ownership Specifications - Size (head circumference): Small (51-57cm) / Medium (54-60cm) / Large (58-63cm) - Fit system: Boa - Pad material: Moisture-wicking pads - Buckle type: Standard buckle - Includes: Crash Replacement Guarantee - Weight: 360g (Small) / 400g (Medium) / 430g (Large)

Designed with input from our pro mountain bike athletes, the Speedframe Pro Klif Helmet has earned Virginia Tech#s best rating (5 STARS) in its Bicycle Helmet Ratings program for a reason. This top-tier open-face mountain bike helmet offers a market-leading feature set to keep you protected every time you hit the trails. Top of that list is Mips, designed to reduce rotational motion and redirect forces away from your brain should you crash. Dual-density Varizorb# EPS bumps up that impact protection further by spreading forces of impact across a wider area. The 360-degree fit system and Fidlock SNAP helmet buckle ensure a perfect fit every time you ride, with a buckle that's a cinch to open and close, even with gloves on. The XT2 liner is antimicrobial and manages odor while wicking moisture away from the head, and is easily removed and washed should it need it. Goggles pair well with the Speedframe Pro Helmet too, thanks to the 3-position adjustable visor. If you're looking for a performance-minded trail helmet, congratulations#you just found your new lid.

Ultra-versatile helmet that is light, cool, and sleek with the added protection of MIPS and the convenience of magnetic light mounts. If you could only buy one helmet, this is the one. Whether your finish line is on the race course or to the front door of your destination the Bontrager Circuit MIPS road helmet will deliver. Equipped will all the best features including MIPS brain protection system, Boa fit system for superior comfort and security, and the Blendr mount system for light and camera integration. MIPS (Multi-directional Impact Protection System) was developed by brain surgeons and scientist to help reduce rotational forces on the brain caused by angled impacts to the head. Key features - MIPS Brain Protection System - Blendr mount system easily integrates GoPro camera and Bontrager lights accessories - The Boa System lets riders easily secure and adjusts helmet fit with one hand - In-mold composite skeleton increases helmet integrity for larger vent variations - AgION antimicrobial pads wick moisture and completely eliminate odors naturally - LockDown dividers make helmet strap management clean and are easy to adjust - Internal, recessed channels move airflow over your head to stay cool and dry - Crash Replacement Guarantee provides a free helmet replacement if involved in a crash within the first year of ownership

Bontrager Charge WaveCel Commuter is a fashion-forward helmet that earns top marks in style and safety. It’s perfect for commutes, e-bike rides, and everyday adventures, and it's built with the most advanced helmet safety tech available so you don’t have to choose between fashion and function. WaveCel is a collapsible cellular structure that lines the inside of the helmet. This Bontrager-exclusive technology disrupts the safety standards the industry has accepted for over 30 years. - WaveCel advanced helmet technology - The Boa System lets you easily secure and adjust helmet fit with just one hand - Fidlock magnetic buckle fastens effortlessly for a quick, secure fit - Rear Blendr mount system easily integrates Bontrager light accessories - Soft, comfortable, moisture-wicking, and washable helmet pads - Built-in visor provides constant coverage against sun and rain - Reflective elements on back of helmet offer enhanced visibility to be seen - Crash Replacement Guarantee provides a free helmet replacement if involved in a crash within the first year of ownership Sizing: - Small: 51-57cm - Medium: 54-60cm - Large: 58-63cm

For trail or town Built for riders who live active lifestyles and want to stay protected, the Quantum cycling helmet looks just as good as it fits. Featuring MIPS, Multi-directional Impact Protection System, superior ventilation, and excellent coverage. Get it all and even more with a removable visor allowing Quantum to be your go-to helmet no matter what type of riding. MIPS (Multi-directional Impact Protection System) was developed by brain surgeons and scientist to help reduce rotational forces on the brain caused by angled impacts to the head. Key features - MIPS Brain Protection System - The Boa System lets riders easily secure and adjust helmet fit with one hand - In-mold composite skeleton increases helmet integrity for larger vent variations - Soft, comfortable, moisture-wicking, and washable helmet pads - Internal, recessed channels move airflow over your head to stay cool and dry - Removable snap-on visor and port covers provide multiple looks to fit your style - LockDown dividers make helmet strap management clean and are easy to adjust - Crash Replacement Guarantee provides a free helmet replacement if involved in a crash within the first year of ownership

The MET Estro MIPS is a versatile road helmet ready for your longest day on the bike. As comfortable as a top-of-the-line helmet, its design is widely open to maximize ventilation at low speeds. With 26 vents, 17 of which are inlets and 9 are exhaust holes, all of them work in synergy with the internally engineered air channeling system to ensure maximum ventilation. The Estro MIPS is also exceptionally comfortable. The 360° head belt in the MET Safe-T Upsilon retention system ensures that there will be no pressure points on the skull, and its internal shape is welcoming for almost all different shaped heads. Featuring the MIPS-C2 brain protection system, the MET Estro MIPS is able to slide against the head in the event of a crash, redirecting damaging rotational motion. MIPS is a brain protection system—engineered to add protection to the standard construction of helmets in case of certain impacts. The MIPS Brain Protection System (BPS) is attached inside the helmet, between the comfort padding and the EPS. The front of the helmet features two dedicated ports for securely docking sunglasses while resting or climbing. The design reflects the purpose - to adapt to various uses and environments. Widely open, deeper coverage, a versatile visor, and a full polycarbonate wrap that makes it more durable by avoiding exposure of EPS surfaces to outdoor conditions. - In-mold polycarbonate shell with EPS liner - Full polycarbonate wrapped EPS liner to enhance durability - Extended head coverage for more thorough skull protection - MIPS-C2 Brain Protection System add protection in case of certain impacts - MET Safe-T Upsilon Fit System - 360° head belt and vertical adjustments offer a customized fit - Air Lite straps with adjustable divider maximize aerodynamics and comfort - Sunglass ports to securely dock sunglasses - 26 vents are internally engineered for air channeling to improve ventilation and comfort - Comfort pads are hand-washable - Certifications CE; AS/NZS; US

SAFETY ON STEEP TRAILS Steep climbs, high-speed racing, all-day adventures: "Down-country" is action-packed, which means the demands on equipment also increase. Down-country is all about going up fast, down fast and repeating. The Moventor 2.0 MIPS is virtually perfectly for the demands of mountain bikers. The MTB helmet is lightweight, well ventilated and has a deeper fit that gives more protection at the back of the head. When the trail points downwards, the ten air inlets and nine air outlets provide good ventilation. In addition to all the well thought-out features for off-road use, the MIPS model has impact protection. This is intended to protect the brain, especially if the cyclist's head hits the ground at an angle during a fall. In a fall, the brain is exposed to strong rotational movements that can lead to severe brain injuries. With MIPS, a movable low-friction plastic shell is integrated into the helmet to ensure that rotation is reduced and the head is better protected. - Multi-Shell In-Mould for a permanent bond between the outer shell and the shock-absorbing helmet material (EPS) - Zoom Ace MTB: Height-adjustable adjustment system to fit the head circumference - Ponytail compatibility: Helmet well suited for ponytail wearers - Laterally adjustable, non-slip TriVider strap system - Moulded lower shell for added durability - QUIN ready—easy upgrade with the separately available QUIN chip for fall detection - MIPS: Impact protection that protects the brain, especially when the cyclist's head hits the ground at an angle during a fall. - GoggFit: Device that allows a pair of goggles to be fixed to the helmet when the athlete doesn't need them while riding - Ventilation: excellent ventilation through 10 air inlets and 9 air outlets

Ride smart. It's a no brainer. Helmets don't have to be boring. Fortunately, boring isn't in our vocabulary. Choose between awesome colors and graphics that fit your style. Electra helmets: Making messy hair cool since 2016. - Durable ABS hardshell for protection and EPS foam liner for security - Safety, comfort and function for all riders - Complies with U.S. CPSC safety standards for bicycle helmets for persons age 5 and over.

Key Features: - Mips® equipped - Virginia Tech 5-Star helmet rating - Goggle-compatible, 3-position visor - 360° Fit System to dial in fit - Fast and simple FIDLOCK magnetic buckle Performance-focused open-face trail helmet The Speedframe Pro Blocked Helmet earned Virginia Tech's best rating (5 STARS) in its Bicycle Helmet Ratings program. Designed with input from our pro mountain bike athletes, this top-tier open-face mountain bike helmet offers a market-leading feature set. Specifications: - Mips® added protection system has been proven to reduce the rotational motion when implemented in a helmet by absorbing and redirecting energies and forces otherwise transmitted to the brain - Dual-density Varizorb™ EPS provides improved protection by spreading forces of impact across a wider area - FIDLOCK SNAP helmet buckle provides quick and secure entry and exit while wearing gloves - Removable, washable XT2® liner is antimicrobial and manages odor while wicking moisture away from the head - Optimized venting with channeled, in-molded EPS provides efficient cooling - Goggle-compatible, 3-position adjustable visor - 360° Fit System allows you to dial in your perfect fit every ride

The gnome protects your dome. Helmets don't have to be boring. Fortunately, boring isn't in our vocabulary. Choose between awesome colors and graphics that fit your style. Electra helmets: Making messy hair cool since 2016. - Durable ABS hardshell for protection and EPS foam liner for security - Retention system provides secure and snug fit - Easy-to-use magnetic Fidlock buckle - Size small fits circumference 48cm - 54cm and hat sizes 6 1/2 - 6 3/4 - Size medium fits circumference 55cm - 58cm and hat sizes 6 7/8 - 7 1/4 - Size large fits circumference 59cm - 61cm and 7 3/8 - 7 5/8 - Small size generally fits children while medium and large sizes fit adults - Fit System: HB-80 - Pad Material: Moisture-wicking pads - Buckle Type: Fidlock buckle - Includes: Fabric visor

PROFESSIONAL TECHNOLOGY FOR BEGINNERS The Viantor is the high-quality and lightweight helmet for beginners in which we have used many proven technologies from the professional sport. Let yourself be convinced by a high-quality and safe helmet, which has the advantages of a professional race helmet. For maximum safety, the Viantor has the ActiCage structural reinforcement integrated in the EPS. It provides maximum protection while ensuring optimal ventilation and extreme comfort. The ActiCage allows for large ventilation openings without compromising on the helmet's safety. Due to its ponytail compatibility, the Viantor from ABUS is the first choice for riders with long hair. Multi Shell In-Mold for durable bonding of multi-part outer shell and shock-absorbing helmet material (EPS) - Ponytail compatibility: Helmet well suited for braided hairstyles - Good ventilation with 4 air inlets and 14 air outlets connected with flow channels - Semi-enclosing plastic ring connected to the adjustment system for optimum stability and form-fitness - ActiCage: Structural reinforcement integrated in the EPS to optimize stability - Zoom Ace: Fine-adjustable adjustment system with non-slip adjustment wheel for individual fit

The FeatherWeight features In-Mold technology to make a custom shape and fit utilizing a thin outer shell that covers and protects high-density EPS foam. - High density EPS in-mold construction - Tested and certified for CPSC and EN 1078 standards for bicycle use - Two sets of padding included for custom fitting - Crow rivets and 10 flow-vents to keep cool - Small/Medium = 50 – 56cm - Large/X-Large = 58 – 61cm

All-purpose, value-packed helmet balances performance and comfort with the added protection of MIPS. All-purpose protection for every rider The Solstice MIPS helmet is proof you don't have to spend a lot of money to get a great fitting, great looking, and easy-to-use bike helmet. Featuring MIPS, Multi-directional Impact Protection System, it includes a sleek built-in brim with plug ports for a clean look when the additional visor is removed. MIPS (Multi-directional Impact Protection System) was developed by brain surgeons and scientist to help reduce rotational forces on the brain caused by angled impacts to the head. Product details - MIPS Brain Protection System - Fidlock magnetic buckle fastens effortlessly for a quick, secure fit - Intuitive, one-handed Headmaster fit system adjusts height and circumference - Built-in and removable visor options give you two choices for constant coverage - LockDown dividers make helmet strap management clean and easy to adjust - Internal, recessed channels move airflow over your head to keep you cool and dry - Soft, comfortable, moisture-wicking and washable helmet pads for added comfort - Crash Replacement Guarantee provides a free helmet replacement if involved in a crash within the first year of ownership Specifications - Size (head circumference): Small/Medium (51-58cm); Medium/Large (55-61cm) - Fit system: Headmaster II - Pad material: Moisture wicking pads - Buckle type: Fidlock buckle - Includes: Visor plugs - Weight: 335g (Small/Medium)

Maximum coverage open-face mountain bike helmet. The Dropframe Pro Helmet is a game-changing, open-faced 3/4 enduro helmet. It features Mips®, the BOA® fit system for class-leading fit and security, increased ventilation, plus an ionic+® anti-microbial liner and cheek pads to optimize fit. With its increased coverage for the ears, jaw, and back of the head, this MTB helmet provides the most complete coverage we offer in an open-face helmet. Key Features and Specifications: - BOA® fit system for class-leading fit and security - Mips® added protection system has been proven to reduce the rotational motion when implemented in a helmet by absorbing and redirecting energies and forces otherwise transmitted to the brain - 3-position adjustable visor compatible with goggles - Removable under visor GoPro mount included - Big Bore front vents include eyewear storage recess - Increased ventilation and decreased surface contact area improve cooling - Ionic+® anti-microbial liner and cheek pads to optimize fit - Fidlock magnetic closure Meets the NTA-8776 E-bike helmet certification standard Note: Avoid exposure to aerosol sprays like bug repellent and sunscreens as they can cause your helmet's finish to peel Materials: 30% EPS, 11% EVA, 10% polycarbonate, 13% nylon, 11% Pom, 14% Tpee

Ride smart. It's a no brainer. If you're going to rock a helmet on an Electra, rock an Electra on your helmet. Choose between awesome colors and graphics that fit your style. Electra helmets: Making messy hair cool since 2016. - Durable ABS hardshell for protection and EPS foam liner for security - Size small fits circumference 48cm - 54cm and hat sizes 6 1/2 - 6 3/4 - Size medium fits circumference 55cm - 58cm and hat sizes 6 7/8 - 7 1/4 - Size large fits circumference 59cm - 61cm and 7 3/8 - 7 5/8 - Small size generally fits children while medium and large sizes fit adults - Fit System: HB-80 - Pad Material: Moisture-wicking pads - Buckle Type: Standard buckle

The MonTrailer offers this increased need for protection and a multitude of well thought-out features for off-road use. This mountain bike helmet is light, extremely well ventilated and extremely comfortable and is perfect for racing or the everyday trail tour. - In-Mold for a durable connection with the outer shell with shock-absorbing helmet material (EPS) - Good ventilation with 5 air inlets and 7 air outlets connected with flow channels - Semi-enclosing plastic ring connected to the adjustment system for optimum stability and form-fitness - Bottom edge protects the helmet from external influences - ActiCage, a structural reinforcement integrated in the EPS to optimise stability - Zoom Ace adjustment system with non-slip adjustment wheel for individual fit - GoggFit ensures safe positioning of glasses and provides storage space when not in use - The transparent visor gives the wearer good all-round vision without having to take their eyes off the trail

A stylish road helmet with advanced WaveCel technology that balances comfort and performance for all riders who value safety. A MAJOR ADVANCEMENT IN THE PROTECTION AGAINST CYCLING-RELATED HEAD INJURIES Starvos WaveCel is a versatile, high-value cycling helmet for new-to-seasoned riders who want WaveCel, a leading technology in the protection against cycling-related head injuries. WaveCel is a collapsible cellular structure that lines the inside of the helmet. This Trek-exclusive technology disrupts the safety standards the industry has accepted for over 30 years. PRODUCT DETAILS - WaveCel advanced helmet technology - Intuitive, one-handed Headmaster fit system makes adjustments easy - LockDown dividers make helmet strap management clean and easy to adjust - Soft, comfortable, and moisture-wicking washable helmet pads - Available in XS and XL sizing - Crash Replacement Guarantee provides a free helmet replacement if involved in a crash within the first year of ownership - Complies with U.S. CPSC safety standards for bicycle helmets for persons age 1 and over