Using black 75% polyamide, 14% polypropylene and 11% elastane, these energizing knee high health socks by Falke are perfect for women and a must have. 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 and allows for a faster recovery. The compression of these socks prevent micro-cracks in your muscles and give a soothing cool effect. Medium padding gives your feet subtle cushioning and an optimal fit. They are designed with a triple-layer structure which helps to transport temperature and moisture for a longer, more comfortable run. KEY FEATURES 75% Polyamide, 14% Polypropylene and 11% Elastane Compression , Cushioning , Wickering Properties , Temperature Regulating 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.