Designed to offer reliable edge grip, greater stability and easy access to longer gliding times, this boots cuff-to-chassis connection ensures power transmission. The Custom Fit keeps your feet comfortable, while the double step in strap makes it easy to step in. 100% PVC free with a Thinsulate 78% Recycled lining, its also a sustainable choice. Injected plastic chassis allows heel support and good torsional rigidity to optimize power transfer. Sensifit Racing Skate: offers more lateral support and transmission Thinsulate 102 Performance Fit: Medium volume for maximum foothold, high comfort and precise fit Double Step-in Strap: Conveniently placed on the top of the tongue and cuff, these two small straps make it easier to open the boot and step in Waterproof Zipper Thinsulate R 78%: This highly isolating lining is made with at least 78% recycled materials Skating Flex: Control and power transmission with good lateral stability Energyzer 2.0: This cuff offers more back proprioception