These classic Acorn slipper socks are the ultimate in warmth and comfort. Sole is constructed of 5 layers; moisture wicking insole, soft touch foam, cushioning memory foam, EVA for cushion and support, and suede outer sole. Ragg wool uppers; 85% wool, 13% nylon, and 2% spandexMemory foam midsoleLeather sidewallSuede outsoleHand wash in cold and air dry