Use these warm-up booties before dance class or rehearsals. Ideal for dancers of all levels. Features 100% polyester filling, cushioned heel, 100% nylon shell, and BLOCH rubber logo badge on strap. Sizing: XS (US 13.5 - 1.5), S (US 4 - 6), M (US 6 - 8), L (US 8 - 10), XL (US 10 - 12). If wearing with pointe shoes, take the next size up from normal shoe size.