The Rehband Rx Shin/Calf Support is the ideal choice if you seek inflammatory prevention or if you want to protect your shins against friction. The advanced construction is designed to provide optimal functionality for both heavy workouts and injury prevention. The Rehband Rx Shin/Calf Support is classified as a medical device. The benefits are numerous. The sleeve protects your shin from friction and hits. Your muscles are faster brought up to working temperature and the warmth provides pain relief. The optimal fit increases muscle control and coordination, leading to reduced energy waste. Colour: Black SOLD AS A SINGLE Measure the circumference (cm) around the widest part of the calf. Small 34cm - 36cm Medium 36cm - 38cm Large 38cm - 41cm Extra Large 41cm - 44cm Approved by the strongest, worn by the fittest - Rehband is a global brand with over fifty years experience in protection, braces and supports. Now widely adopted by Functional Fitness Athletes as the brand of choice for knee sleeves and support. Endorsed by Rich Froning, Josh Bridges and Camille Leblanc-Bazinet.