UGG Australia Men's Chester Slippers (8 D(M) US, Chestnut) Leather Rubber sole Shaft measures approximately 2" from arch Includes interchangeable sets of removable insoles: luxurious sheepskin and soft leather Treaded rubber outsole Please Note: Slight dye transfer may occur with darker colored sheepskin during first few wears Supple suede or leather upper in a slipper/driving moccasin style features leather lacing 100% premium wool fleece wicks moisture away keeping feet dry and comfortable in warm and cold