Details The Atomic Pro S2 is the new Atomic Pro skating boot for enthusiastic and improving cross-country skiers who love getting out on the tracks whenever they can. To make the most of every session you need a boot that balances power, natural movement and comfort. For power, the Pro S2 has an External 3D Heel Counter made from rigid injected material for great power transmission. The Split Cuff with 360° Closing allows your ankle to move naturally while staying supported. For comfort, the Sport Fit is snug but not tight, and Live Fit inside instantly molds to your foot shape for a super comfy individual fit. This boot also works with all 2-rail bindings including NNN® and Turnamic®. Skiing Style Skating Sole Type NNN Prolink Sport SK Flex Skating Last Sport Fit: Snug but not tight for a balance of comfort and performance. Liner Live Fit:: molds to your individual foot shape producing better blood flow, warmer toes and an improved feel. Closure Standard lacing with a central zip lace cover. Cuff Split Cuff with 360° Closing: features separate arms that move independently for more freedom of movement. Upper N/A Footbed N/A Details External 3D Heel Counter: made from rigid injected material for maximum stability and power transmission. Weight 540g (size 8) Atomic Pro S2 Skate Boot 2021-22