Womens K Stripe Snoozies Booties Slippers with Cozy Soft Sole Made of Polyester with Thick and Soft Skid Resistant Sole Assorted Solid Styles as Pictured with Pom Pom Sherpa Fleece Lining Ultra Comfy Cozy Soft Sherpa Sole US Size scale as follows: Small: 5/6, Medium: 7/8, Large: 9/10, Extra Large: 11/12 Machine Washable Womens Sizes - Ultra-Plush and Easy On/Off