DexShell's element repellent socks are perfect for all outdoor activities, in all weather conditions. These waterproof, yet breathable socks offer comfort as well as protection, whether you're walking, cycling, or even participating in watersports. The high-tech materials that make up these socks ensure that they're not only thermal, windproof, and waterproof, but also durable and lightweight. The DexShell Ultra Thin Socks are the world's thinnest waterproof socks! They're perfectly suitable for running, golf, and everyday activities where you want to keep your feet from getting wet. With modal and bamboo rayon yarns, these socks are soft and supple to help keep your feet blister-free, and provide optimized, anti-odor performance. Features Include: Outer Shell: 76% Modal, 21% polyamide, 3% elastane Interlining: Porelleregistered membrane (100% PU) Inner Sock: 60% bamboo rayon (viscose), 40% polyamide Ankle length With modal and bamboo rayon yarns, the dexshell ultra thin sock provides the optimized performance, anti odor, soft and supple, blister free, and dry warm. Care: Hand wash or machine wash below 40°C. Tumble dry low. Do not iron. Do not twist. KEEP AWAY FROM DIRECT HEAT WHEN DRYING.