Skidders Penn State Nittany Lions Kids Slip-Resistant Indoor/Outdoor Slip-On Hybrid Shoes with Socks (18 M/Blue) cotton Soft, Rubber Outsole for improved traction & protection. Slip Resistant for Indoor & Outdoor use. Protects Feet, Provides Traction, & Allows For Freedom of Movement Easy to Fold and Pack & Machine Washable Feather Light Weight & Breathable Material Officially licensed by MLB