NWT Memory foam footbed Rounded bottom to reduce stumbles and falls Generous Fit and Anti-stink lining Simple secure hook & loop closure for easy on/easy off convenience Machine Washable Sizing: Toddler Care and Cleaning: Machine washable, Air dry Lining Material: Polyester Features: Hook and loop closure Upper Shoe Material: 88% Polyester and 12% Plastic Sole Material: 53% Polyester and 47% Rubber Footwear outsole details: Flexible outsole, Non marking outsole Shoe Width: Medium