Zamst A2-DX Ankle Brace - Men's Prevent or rehabilitate a moderate or severe ankle sprain with the Zamst A2-DX Ankle Brace. Made with i-Fit fabric technology, the A2-DX ankle brace has adjustable straps so you can get variable compression and a personalized fit. A-Fit technology offers anatomically correct ankle support that helps boost your athletic confidence. Exo-Grid exterior support and Grip-Tech for supportive and secure fit. Rom-Tech design provides full range of motion for natural movement and pure performance. Contents include nylon, styrene, polyester, polyurethane, polyethylene, and brass.