Details Don't want to choose? Then don't! The Atomic Pro CS cross-country ski boot features combi flex for skating and classic skiing in the same boot. The Pro CS combines sporty performance with superb comfort, and features their Prolink outsole, which gives you an exceptional snow feel. This latest model also features their new Split Cuff with 3600 Closing that allows your ankle to move naturally while staying supported. And it comes with their 3D Lacing System: the heel and lacing system are connected so as they tighten they wrap the foot perfectly for optimum heel hold. Skiing Style Combi Sole Type Prolink Sport CL Last Sport Fit Liner N/A Closure 3D Lacing System, Standard Lace: With 3D lacing, the boot's heel and lacing system are directly connected, so as they tighten they wrap your foot perfectly. Lace Cover with Central Zip Split Cuff with 360° Closing: Atomic's split cuff features separate arms that move independently - for more freedom of movement than any other boot. Upper N/A Outsole Prolink Sport CL Details Live Fit Snow Gaiter: A water-repellant, breathable gaiter on top of the shoe that grips your ankle and keeps out snow and water. External 3D Heel Counter: This External 3D Heel Counter is made from rigid injected material for max stability and power transmission. Weight 1080 g Atomic Pro CS Combi Boot 2020-21