62% Nylon, 38% Spandex. Bi-Lateral. Fabric Technology: Breathable, Edge Trim Technology, Four Way Stretch, Non Slip. Suitable for: Calf Muscle Strains, Shin Splints and Minor Achilles Strains. Helps Prevent the Build Up of Lactic Acid, Increases Blood Flow, Reduces the Prospect of Cramp and Stiffness. Design: Knitted, Logo. Ref: UTRD1010