ASO EVO Ankle Stabilizer - Men's The ASO EVO Ankle Stabilizer features a stirrup strap that captures the heel to help restrict ankle motion. Stabilizing strap forms a figure-eight to help protect and support ankle. Dynamic cuff protects against high ankle sprains. Low profile, will fit in any type of shoe. Bilateral design fits the left or right foot. Ballistic nylon boot provides tremendous strength and durability. Each ankle brace is sold separately.