Description Fully Supported... Mid cushion socks target critical areas to create a medium weight barrier between your foot and shoe. Ideal for a range of low to high impact activities, built to withstand each and every stride thanks to Infiknit™ technology for guaranteed durability. Crew Height Nylon Blend Medium Cushioning Infiknit™ Durability Performance Cushioning Performance Mesh Channeled Air Cushioning Seamless Toe Closure Fit and Fabric 77% nylon, 20% polyester, 3% elastane