via Amazon

Outer: 74% high waterproof nylon, 23% lycra,3% elastane, Interlayer: a high performance lightweight function of waterproof and breathable membrane, Lining: 64% coolmax,3% lycra,33% elastane Three sizes (unisex): Small (6-9.5),Medium (8.5-12),Large (11.5-14);See the images for more size information Daily Wear,foot care,especially suitable for outdoor sports and activities of various kind of harsh environments 100% waterproof and breathable,moisture and perspiration absorption,anti bacterial function to reduce bad odour Ultra-light cushion sole provides comfort and great fit,suitable for biking,walking and running during warmer seasons when there is a need to keep dry feet Service: Merchant Shipping(10-14 working days) and Amazon Prime Service. Hand wash under normal temperature,water temperature should be below 40 degree centigrade if machine wash, do not iron, dry clean or tumble dry but hang to dry after spin-dry in ventilated place