DexShell Ultralite Waterproof Socks 80% cotton 96% Nylon, 3% Elastane, 1% Cuff Elastic An ultra light, ankle length sock with a highly visibile coloured cuff Suitable for biking, dog walking and running during warmer seasons when there is a need to keep dry feet Outer Shell: 96% Nylon, 3% Elastane, 1% Cuff Elastic Interlining: Porelle Membrane and Inner Sock: 70% Cotton, 30% Nylon