Bauer Supreme ONE20 Senior Ice Hockey Skates Skate Liner Material: Microfiber Wicking Liner--Quick drying and ensures a comfortable fit Outsole Construction: Injected TPR--A rigid outsole that increases the transfer of energy to the blade. Exterior Material: Premium Nylon with Quarter Stitching--A durable material that will provide you with protection against abrasion and cuts. Tongue: Anatomical Felt--For comfort Heel of Skate: Exterior Screened Heel Cup--