LEAKDRY Waterproof Breathable Socks Ultra Compression Knee High LEAKDRY Waterproof Breathable High Support Compression Socks (Below Knee Length) Model Number: LD201 Size: S Manufacturer's Suggested Retail Price: $59 Key Features  Completely Waterproof A waterproof membrane is built into the entire sock, completely preventing water from entering from the outside.  Windproof Design Blocks out cold wind and keeps you comfortable even in harsh environments.  High Breathability Quickly expels internal moisture and sweat, reducing stuffiness.  Heat Retention Employs a heat-retaining structure to keep your feet warm even in cold regions.  Antibacterial Specification Antibacterial processing keeps the socks clean even after long periods of use.  Sweat-Absorbing and Quick-Drying Excellent moisture absorption and quick-drying properties provide a dry and comfortable feel. Material Composition  Middle Layer: Waterproof and Breathable Membrane  Inner Layer: Merino Wool, Acrylic + Nylon Blend  Outer Layer: Cotton + Nylon, Elastic + Spandex Wash Care Please note the following points to maintain the function of your waterproof socks for a long time:  The waterproof area extends from the "toe to below the opening." Do not submerge the opening in water.  Always wear these socks inside shoes. Avoid using them barefoot or with sandals.  Be careful not to damage the waterproof membrane with sharp objects. Washing Instructions  Hand wash or machine wash (using a net) in water below 40°C  Do not bleach, iron, or dry clean  Do not expose to direct sunlight for extended periods. Air drying in the shade for 1-2 days is ideal.