Muay Thai Pro-Style Shin instep for Muay Thai, MMA, Kickboxing, stand up Molded Muay Thai-style shin and instep protection. Durable Synthetic leather shell. Held securely by elastic straps at the feet and two 1.5" wide synthetic leather nylon web straps at the calves. Velcro closure for easy on-off. Read below in description for size chart.