The Waterproof Warm Weather Soft Touch Ankle Length Sock is a 100% waterproof ankle length sock with luxuriously soft Polycolon outer fabric. This product is perfect for use in wet and warmer weather conditions.  Waterproof Warm Weather Soft Touch Ankle Length Sock Key Benefits  Waterproof - three layer construction for warmth, durability and waterproofing Comfort - Bamboo lining for moisture control, insulation and comfort Support - zonal elastication for added support Waterproof Warm Weather Soft Touch Ankle Length Sock Materials  Outer: OUTER: 62% Polycolon, 37% Nylon, 1% Elastane Membrane: Hydrophilic membrane Inner: INNER: 75% Bamboo rayon, 23% Nylon, 2% Elastane