Don't want to choose? So no! The Atomic Pro CS features a combined flex for skating and classic cross-country skiing in the same shoe. The Pro CS combines sporty performance with exceptional comfort and features our Prolink outsole, which gives you exceptional snow feel. This latest model also features our new Split Cuff with 360° closure which allows your ankle to move naturally while remaining supported. And it comes with our 3D lacing system: the heel and the lacing system are connected in such a way that they perfectly wrap the foot for optimal heel support.