Designed for mild to moderate right ankle sprains, the Zamst Adults' A1 Ankle Brace features a low-profile L-Strap design with Grip-Tech antimigration technology, which provides stabilization to help prevent your injured ankle from rolling inwards. Made of nylon, polyester, polyethylene, polyacetal, polyurethane and latex for flexibility and strength, the brace incorporates Flyweight-Tech fabrication and i-Fit technology to deliver a lightweight, individualized fit. Hook-and-loop closure.