Engineered for unmatched function, comfort and long-lasting durability, the Roces(R) Big Icy Skates feature a carbon steel blade and shock-absorbing system to keep you on the ice longer. Enhanced Durability PP+GF shell and PP cuff for durability and protection Carbon steel hockey blade Customizable Features Lacing system with power lock and micro adjustable buckle Removable anatomic footbed Comfortable Fit Anatomic thermal-insulation comfort liner Special shock-absorbing system