R2C Hook&loop MMA Grappling Shin Instep - Open Back for Muay Thai, Mma, Kickboxing Shin instep protection designed for the grappler. Neoprene support secures the guard to the feet and shins. With 2 hook-and-loop straps hug your leg for a secure fit Synthetic Leather striking areas. Medium fits up to 140 lbs. Large fits 140 to 185 lbs. XL for 185 lbs. plus