DESC: Features and Benefits. Skate Liner Material: Nylex. Outsole Construction: One Piece Unit--Gives added support .Exterior Material: Mesh Nylon and Nubuck. Provides comfort and support. Interior Material: Thinsulate & Liner. A lightweight material that offers you a comfortable fit that will keep your feet warm. Ankle of Skate: 3/8" Foam--Sockliner: Padded--Provides your foot with added comfort.