Rossignol BC X12 75MM 3-PIN CROSS COUNTRY SKI BOOTS Anatomically-shaped 100%-carbon cuff with 2 ratchet-and-buckle power straps delivers lightweight stability, power and control External cuff gaiters, durable Cordura lace covers, warm Thinsulate lining and a thermo-moldable fit offer excellent comfort, durability and warmth for exploring Thinsulate lining Reinforced nylon midsole 75mm sole