The Trainer model features the neoprene padding system combined with the patented performance hinge which provides maximum Ankle Flexibility. The double strap and the Solid U-Shaped design promotes Early Activity After Injury and Long-term bi-lateral ankle protection. Solid U-shaped design relieves pressure for ankle joint providing superior inversion/eversion protection. Bilateral hinge design for plantar flexion/dorsiflection motion. Dual strap fastening system allows for a more snug fit. Assists with chronic ankle instability or has prevenative use in rehabilitation. Brace is left/right universal. Materials: Neoprene / Metal / Plastic. Color: Black. Size: Medium. Shoes Size: Mens: 9 - 12. Womens: 10 - 13.