NWOT Care and Cleaning: Wipe damp cloth Lining Material: Polyester Midsole Material: EVA (ethylene vinyl acetate Insole Material: Polyester Protective Qualities: Thermal rating of -10 degrees Fahrenheit, Non skid tread on toe and heel Features: Bungee with toggle, hook and loop closure Upper Shoe Material: 78% Nylon and 22% Polyurethane Sole Material: 100% TPR (thermoplastic rubber) Shoe Width: Medium Boot Shaft Height: Approximately 4.0 inches Boot Shaft Circumference: Approximately 11.0 inches