Snoozies Womens Animal Heads Sherpa Plush Fleece Lined Slipper Socks Polyester Pull On closure Made of Polyester with Skid Resistant Sole A variety of fun animal faces on ultra comfortable slipper socks with soft Sherpa Fleece Lining US Size scale as follows: Small: 5/6, Medium: 7/8, Large: 9/10, Extra Large: 11/12 Machine washable Perfect for home, dorm room, day at the spa or a chilly office