With the Integrated Power Base, the Nano Carbon Skate takes your skiing to a new level with category-leading power, control and acceleration. The Race Fit is slightly larger volume than the Redline Skate, providing performance and comfort, including good fit for higher volume feet needing more room than the Redline Skate. RevoWrap™ and MemBrain® softshell ensure a secure fit and keep your feet warm, dry and comfortable.