Slip into these, we promise you won't regret it. This ATB Gray Slipper is a 100% boiled wool upper. Super soft and cozy lining, Wicking away moisture. Keeps warm in cold weather, and cool in warm weather! Latex molded midsole. Sturdy rubber outsole. 100% Pure wool (breathable). Closed back/heel for extra support. Wool lined footbed. Slip resistant rubber sole. Color: black