The Race Pro BOAA(R) Skate is the ultimate skate boot for training and racing featuring our new Integrated Power Chassis, Madshus Pro Ripstop, and the BOAA(R) Fit System which delivers a micro-adjustable, precision fit engineered to perform in the toughest conditions. The combination of our new Madshus Pro Ripstop upper and the benefits of the BOAA(R) Performance Fit Solutions equals a boot with improved power transfer and egde-to-edge control which is easy to adjust while skiing. The Integrated Power Chassis is built with a wider base for increased stability and a close to the ski feeling. Welcome to a new generation of boots. Size 36,37,38,39,40,41,42,43,44,45,46,47,48 Weight 560g/size 42 Cuff Performance Ski Boot - Outsole Madshus Elite (2 pc) Boot Upper Madshus Pro Ripstop Category Boots Collection BOAA(R) Fit System,Skate Technology BOAA(R) Fit System: The BOAA(R) Fit System delivers a micro-adjustable, precision fit engineered to perform in the toughest conditions. Integrated Power Chassis: The Integrated Composite Base connects the cuff to the binding with a single contoured part to increase power transfer, edge control, stability, and acceleration. Madshus Outsole: Be able to get closer to the ski for a better feeling, added control and stability. The outsole is designed to perfectly fit with the upper portion of the lasted boot. Two color dual injection utilizing two different materials for better fit and function. Less temperature sensitive materials to help keep the flex of the sole more consistent and natural. A complete bonding surface, between the upper and outsole. PVC-Free: In keeping with our commitment to protecting our climate, Madshus RED, Champion, Race Performance, and selected Backcountry and Junior boots are designed with a totally PVC-Free construction.