1. &Breathable: membrane are designed with a Three-Layer Knitting Construction, which handily solves the contradiction between ing and Breathing property. and breathable membrane not only prevent the external water molecules from entering the socks but also drain water out of your body by COOL MAX CORE technology. Keep your feet dry and ! Three layers structure not only ensures optimal shock absorption,but also protects your feet from sand. 2. 'S Difference: 's Unisex Hiking Skiing Socks is a patent product that has been certified by SGS Corporation. , Inspection and Seamless. Our Socks has become the top choice for outdoor enthusiasts, military personnel as well as postal clerks. These seamless, stylish waterproof-breathable socks will effectively keep your feet dry, while going through stream, shallow water, muddy terrain. 3. Performance: 1)Superior wear-resisting waterproof socks with decent thickness. 2)Ensure the high Performance of thermal comfort. 3)Keep your feet cool and dry all day long. 4)Soft Cushioning assures your feet long-lasting comfort. 5)Seamless Toe: True Smooth Seamless technology eliminates bulky seams to reduce abrasion and allows for an invisible and snug feel. 6)Great gift to your family and friends on Christmas Day, Year or their birthday. 4. Occasions: 1)Ultra-light cushion sole provides great comfort and fit, keeping your feet cool and dry during walking, running, cycling or gardening. 2)Perfect windproof & waterproof socks for outdoor activities in harsh environment with mud and water all over the place: trekking, hiking, climbing, mountain biking, fishing, hunting and exploring. 3)Also Fit for many snow and water sports: skating, skiing, snow fights and ice golf. 4)Military Personnel Socks to wear during military training.