Support your foot against inversion ankle sprains with the ZAMST a1 ankle brace. Constructed with semi-rigid stays for stability, this brace uses internal exo-grid to stop the ankle from rolling forward. Grip-tech anti-migration technology prevents the brace from slipping during activity. The a-fit design conforms to the ankle for an anatomically correct fit. I-fit technology fasteners allow for personalized adjustment. Features: flyweight construction provides advanced lightweight durability. Semi-rigid ankle stays, stirrup and lateral straps to enhance stabilization. Internal exo-grid for medial and lateral stability and prevents foot from rolling inward. I-fit technology fasteners allows for individual adjustment. A-fit technology conforms to the leg for a proper fit. Grip-tech for anti-migration prevents slipping. Y-strap stabilizer provides two-way inversion and lateral stability. L-strap stabilizer provides lateral stability and restricts inversion sprains. Ideal for prevention/support of mild or moderate ankle sprains. '47080X. ZAMST.