Lighten the load, feel the control and let the power flowthats the design thinking behind the Atomic Redster S9 boot. The Race Fit and Prolink Racing Split Sole SK makes your foot feel precise and light as a feather while the Low Cut inner boot construction is built just like a running shoe, shaving off even more weight. As for acceleration, Atomic's Carbon Power Base SK is made from one single piece of carbon with a dedicated skating flex so you can really feel that power transmission, while the Carbon Loaded Cuff stabilizes your ankle. The boot comes with Quicklacestretch laces that are quick and easy to tighten even with gloves on, and a Sidas Insole so you can compete in comfort. The Prolink outsole means it works with all 2-rail bindings including NNN and Turnamic. Race Fit: A precise fit for competitive athletes Prolink Racing Split Sole SK: A minimalist split outsole, making the boot lighter with a closer connection to the binding Quicklace Carbon Loaded Cuff: Stabilizes