Superior contoured breathable andamp durable compression fabric designed for muscle strains, contusions, bruising, provides gradual pressure andamp support on the lower leg from ankle up, the sleeve features cutting edge technology to offers the right protection you need. The sleeve incorporates the benefits to boost circulation, reduce muscle soreness, eases restless leg, mitigating shin splints and calf cramps. Protects legs from minor scratches and knocks. Must have for gym, baseball games, cycling, field games and more. Easy to care for: Machine washable, cold water temperature, do not tumble dry, do not iron, flat dry Get back to your best game with NonZero Gravity's Calf Support Sleeve. Fits right or left calf. Two sizes to select from.