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 Polyester Blend Medium Cushioning Infiknit™ Durability Fit and Fabric 59% polyester, 34% nylon, 4% combed cotton, 3% elastane