ROTOTO 1559 Pile Room Socks in Brown SheepROTOTO 1559 Sheep Socks. With a cute sheep pattern, these slipper socks are knitted with blended yarn of fine 17. 5 merino wool and polyester. The lining is entirely piled and fluffed for extra cushioning as well as heat retention, and feels soft on the skin. The rubber print on the sole helps prevent slipping on hard surfaces. 42% wool,36% polyester,11% nylon,10% acrylic,1% polyurethane Machine Wash Avoid Tumble Drying, as it may cause shrinkage.