MEASURE CIRCUMFERENCE OF ANKLE FOR SIZE SELECTION. To ensure the best fit for our ankle supports its best to measure before purchase -Small 17 – 19.5cm. Medium 19.5 – 22cm. Large 22 – 24.5cm. X-Large 24.5 – 27cm. XX-Large 27 – 29.5cm. See picture for guidance. IMPROVING BLOOD CIRCULATION. An ankle compression support helps to provide oxygen and nutrient-rich blood to your ankle joint. The better your blood circulation, the more oxygen gets to your muscles and joints therefore taking you the longer to fatigue and quicker to recover from sprains. ANKLE SUPPORT FOR MEN AND WOMEN: The Bearhug ankle support sleeve comes in a range of 5 sizes making the perfect ankle brace support for women and men. FEATURES BAMBOO CHARCOAL: Our unique 'Bamboo Charcoal' qualities are scientifically proven to increase blood flow by 40%. While retaining body heat which reduces the recovery time of sprains, injuries, muscle soreness and swelling. THE ANKLE BRACE THAT OFFERS COMFORT & SUPPORT. Bearhug ankle supports offer compression and support to ankle, foot and leg. This high-quality, versatile brace can be used for a range of conditions such as achilles tendon pain, sprained ankle injury, ligament injury and also for support during physical activity such as running and football.