Outer: 61% high waterproof nylon, 32% polyester, 7% elastane;Interlayer: a high performance lightweight function of waterproof and breathable membrane, Lining: 66% coolmax, 30% polyester,4% elastane HIGH BREATHABLE??RANDY SUN’s breathable socks are 100% waterproof, breathable, to keep your feet dry and warm in wet weather or outdoor activities. Reinforced heal and seamless toe use thicker yarns for extra durability and comfort in high-wear areas. DRI FIT?100% high-tech materials, seamless, socks ensure that they’re not only thermal, windproof, but also well-suited, resistant and lightweight, especially applicable for daily walking, running and other outdoor sports and activities of various kinds of harsh environments. Seamless toe box minimizes friction. OCCASION & PERFCT GIFT: Unisex breathable waterproof socks are not too thick or too thin, warm in winter and breathable in summer. Professionally customized for all sports, Mountain Biking, Fishing, Hunting, Climbing, Skating, Ice Rock Climbing, Snow Fights, Ice Golf, Football, Jogging, Running, Tennis, Marathon, Hockey, Soccer, Basketball, etc. RANDY SUN 100% waterproof athletic socks are also perfect gifts for family or friends and will quickly become their favorite everyday stuff. EASY CARE: 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. STAYS IN PLACE, Unlike other Ankle Waterproof Athletic socks that may slip or slide during hard workouts or runs, the RANDY SUN Ankle Waterproof Athletic Socks contain superior fabric to ensure they hug your feet and do not slip slide. 100% RISK-FREE SATISFACTION GUARANTEE??At RANDY SUN, we stand firmly behind all of our products. If you have any problems about our ankle 100% waterproof athletic socks, please do not hesitate to contact us. With our Superior Customer Service and 100% money back guarantee, we do our outmost to deliver an Excellent Customer Service and we are always there to support you. ADD IN CART NOW.