Isabel Orthopedic Ballet Slippers Ultra Stretch Knit Upper For Dancers Comfort For Professional And Recreational DancersIsabel Orthopedic Ballet Slippers are designed for dancers and anyone who spends long hours on their feet. They combine a stretchy knit construction, arch support, and a ballet inspired silhouette into a slipper suited for daily wear. Upper material: Ultra stretch knit upper designed to conform to the shape of the foot and allow a full range of motion without restriction. Adaptive fit: The flexible knit construction accommodates different foot widths