Provides extra support for calf during performance sports or exercises.Helps to reduce calf soreness and joint pains.Promotes blood flow circulation.Moisture 4-way wicking fabric supports breathability & evaporate sweat quickly.Odor Resistant.Light Weight Fabric.Support Calf muscle, joints during exercise or normal wear. It is made of Nylon is softer than Polyester and also stronger than Polyester.Carefully designed with highest quality of 88% Copper Infused in the Nylon fabric. Infused Copper Nylon provides extra support and extra elasticity to adjust the shape of your muscle and reduce calf muscle soreness from stress and exercise.Easy washable (See instructions for care and wash in the product images list).Alpha Scorpii’s Copper Infused Calf Compression Sportswear is made with 88% Copper Nylon. Compression technology has been proven for more breathable, lightweight and keeping the muscles warm and especially people who involve in high-performance sports or fun playing regular exercises or simply spend all day on regular activities. Alpha Scorpii (TM) compression wear is a Unisex, easy to wash and care. Long lasting. Tested for colorfastness.