The new Comp Skate boot from Alpina clearly takes its design features from the popular ESK Pro, but at a much more affordable price. Unlike most boots in this price point, the cuff and heel cup are not just nylon but is a carbon infusion for outstanding torsional and lateral stability. A newly developed waterproof and breathable upper keeps your feet dry and warm, especially with the added layer of Thinsulate. The sole is an Alpina proprietary design, and from what everyone knows about the fantastic fit of Alpina race boots we are expecting good things. Carbon injected cuff and heel cup 4Dry upper is breathable and waterproof New Alpina sole is compatible with NNN, Turnamic, and Prolink bindings Thinsulate insulation The small sizes of Alpina race boots are known for their great fit for women&';s feet Alpina Size Chart