The Haflinger Puppy slippers are made with naturally soft wool that will keep your feet toasty warm. The adorable puppy design is sure to become your best friend. 100% Pure boiled wool (breathable) Anatomically designed latex midsole Felt lined footbed Slip resistant double felted sole (latex coated) Haflinger Size Chart EU Sizing US Women&';s US Men&';s 36 5 37 6