We all want comfortable, dry feet no matter what weather Mother Nature throws our way. Sealskinz All-Weather Midcalf Socks for Men can offer both with the inclusion of unique hydrophilic membranes that remain 100% waterproof, yet wick moisture away from your skin. By bonding together three layers of premium materials, these thoughtfully designed, breathable socks keep you cool and contented year-round. The outer layer is 62% Polycolon/29% nylon/9% elastane. The middle layer is 100% hydrophilic membrane. The inner layer is 36% merino wool/36% acrylic/18% polyester/5% nylon/5% elastane for ultimate softness. Machine wash. Imported. Outer layer: 62% Polycolon/29% nylon/9% elastane Middle layer: 100% hydrophilic membrane Inner layer: 36% merino wool/36% acrylic/18% polyester/5% nylon/5% elastane Waterproof, yet breathable Moisture-wicking Midcalf height