Delicosy waterproof socks Description 100% waterproof socks help keep your feet at a stable temperature. When its cold outside, the windproof waterproof socks insulate your feet. When its warm outside, it transports sweat away & heat from the skin for rapid evaporation. Highly breathable socks help to keep your feet cool and dry. Three-Layer Construction We choose Eco-friendly materials to reduce pollution to the environment. Outer Shell: 61% Nylon, 32% Polyester, 7% Elastane. Middle Layer: 100% Waterproof And Breathable Membrane. Inner Liner: Merino wool. Moisture Wicking, Anti-Odor.