Pro C1 Boot 2024-25The Atomic Pro C1 Classic Boot is a fast but friendly boot for classic cross country skiers, particularly if you want a boot to help build confidence and technique. It comes with a mid cut which provides a little extra ankle support, an internal heel counter for good support around the back, and a lacing system that wraps the foot for a strong hold. The Sport Fit is snug but not too narrow and the step in is super easy. Live Fit foam inside the boot