PRO Compression Calf Sleeves provide graduated compression from ankle to calf. Proven to increase circulation while stabilizing the calf muscle to help prevent and relieve shin splints, cramps, and fatigue. The result is better performance, injury protection, and faster recovery. Featured here in a Heather Grey color, our wide-calf compression sleeves feature: Wider calf designed to fit calves 20 to 24 inches in circumference 20-30mmHg graduated compression for optimal performance and recovery Helps to relieve pain from shin splints, calf cramps, and fatigue Anti-microbial, moisture-wicking fabrics for odor and sweat control Unisex fit for both men and women Perfect for running, training, soccer, basketball, tennis, hiking, and all activities