Soft. Stretchy. So on pointe. The ballet flat so comfortable, it deserves an award. Stretch engineered knit or knit fabric upper with a round toe BZEES Air Step Technology: Designed so you'll feel weightless, energized and free Ultra Lightweight: Step lightly with a nearly weightless feel Dynamic Stretch Fabrics: Move freely in shoes with built-in stretch FreeFoam™ Comfort: Low pressure insoles with maximum foot contact and cushy arch support Anti-Microbial and Odor Control technology 3/8 inch platform, 1 1/8 inch heel Machine Washable: Wash on cold and air dry