Colour: Black Outer Materials: 100% Cotton Lining Material: 100% Nylon Length: 25cm Design: Colour Block, Numbers, Text Cuffed Ankle Fabric Technology: Durable, Waterproof Breathable, Cushioned Footbed, Lightweight, Reinforced Heel, Reinforced Seams, Reinforced Toe High Performance. Unisex adult performance waterproof socks black Portwest