Upper: Synthetic, Textile Lining: Faux Fur, Textile, Thinsulate Outsole: High Traction Grip, Rubber, Synthetic 6 Eyelets Fabric Technology: Isotherm, Thermal Tested -30c EVA Footbed, IsoDry Membrane Flat Cut: Mid Calf Design: Plain Toe Style: Round Fastening: Adjustable, Bungee Lacing Breathable, High Performance, Waterproof Sole Features: Durable