These men\'s energizing knee high health socks by the brand Falke are made from 75% polyamide, 14% polypropylene and 11% elastane and are showcased in black. Also the black/red socks are designed in a striped pattern, It is recommended to wash at 40 degrees, do not tumble dry, do not iron, do not dry clean and do not bleach to keep these socks in good condition. All the socks come complete with falke sock tags. The Falke Energizing Knee High Health Socks - Black/Red offer gradual compression which improves blood flow as well as faster recovery. These socks are essential for the enthusiastic runner as they offer support and cushioning to the stress zones. They have a triple layered structure which allows for perfect moisture and temperature transport. The compression of these socks it prevents micro cracks in the muscle as well as other materials ensuring a cooling effect. KEY FEATURES 75% Polyamide, 14% Polypropylene and 11% Elastane Compression , Cooling Effect , Cushioning , Wickering Properties Knee High Smooth Structure Medium Thickness Wash at 40 degrees, do not tumble dry, do not iron, do not dry clean and do not bleach Complete with Falke sock tags.