Upper: Synthetic, Textile. Lining: Isotherm, Textile, Thinsulate. Insole: Synthetic. Outsole: Rubber, Synthetic. Fabric Technology: Durable, DWR Finish, Flexible, Isotherm, Lightweight, Snowproof, Thermal Tested -20c, Water Repellent, Water Resistant, Waterproof. Flat. Cut: Mid Cut. Trim: Faux Fur. Design: Plain. Toe Style: Round. Fastening: Lace Up, Slip-In. Ref: UTMW1639