Sealskinz Unisex Waterproof Ankle Socks Introducing the Waterproof All Weather Ankle Length Sock, the original and 100% waterproof solution for various weather conditions. Available in BlackGrey Marl, Grey Grey Marl and Navy Blue Grey Marl. These socks boast a three-layer bonded construction for ultimate waterproofing and breathability: Outer Layer: 62% Polycolon, 29% Nylon, 9% Elastane, Middle Layer: 100% Hydrophilic Membrane and Inner Layer: 36% Merino Wool, 36% Acrylic, 18% Polyester, 5% Nylon, 5% Elastane. These socks are easy to care for: Wash at 40ºC105ºF and Do Not Dry Clean, Iron, or Bleach. Stay comfortable, dry, and ready for any weather with our reliable ankle length socks. Extra Product Details 100% waterproof and windproof - Breathable for comfort in various weather conditions - Versatile for all types of outdoor activities - Stylish black and grey marl color options - Three-layer construction for superior performance - Easy care, machine washable - No need for re-waterproofing