At last, Shock Absorption and Ankle Support in one lightweight unit. Tuli's Cheetahs are a dynamic and revolutionary new combination of Tuli's Heel Cups shock absorption technology and the comfort and stability of a lightweight neoprene ankle support. Tuli's Cheetahs are ideal for athletes, gymnasts, adults, children, or anyone who works or plays on their feet. One size fits all comes with adjustable velcro straps. Additional heel cup included.