Fabric: 4 Way Stretch, Knitted. Suitable for: Allergy Sufferers, Rehabilitation, Weak, Stiff or Aching Ankles. Fabric Technology: Breathable. Elasticated, Seamless. Gives Support, Compression, and Warmth, Helps Prevent the Build Up of Lactic Acid, Increases Blood Flow, Prevents Ligament Injuries, Prevents Tendon, Recovery from Load Related Pain, Reduces the Prospect of Cramp and Stiffness. Ref: UTCS814