The McDavid Calf Compression Sleeve provides therapeutic warmth, pressure and support to the muscles in the calf. This exceptionally comfortable calf compression sleeve is made of thermal Neoprene, a material that retains body heat and improves blood circulation. The McDavid Calf Compression Sleeve is perfect when you\'re suffering from overuse related complaints, shin splints, muscle tears, or when you want to wear it for preventative or rehabilitation purposes. (Sold per piece).