<b>Heatuff Men's and Women's Performance Sports Hiking Trekking Cushioned Outdoor Recreation Crew Socks</b><br> <br> <b>PREMIUM SYNTHETIC FIBERS</b><br> These socks are made of 90% Polyester, 5% Spandex and 5% nylon.<br> -Polyester is Super Breathable, Quick Dry and Wrinkle Resistant.<br> -Spandex features Higher Extensibility and Exceptional Elasticity.<br> -Nylon: Nylon boasts Excellent Abrasion Resistance and Superior Durability.<br> <br> <b>KEY FEATURES:</b><br> -Medium-heavy Thickness: Appropriate for Athletic Outdoor Activities and Wide Variety of Winter Sports. -Reinforced Heel and Toe: Long Lasting Durability.<br> -Moisture Wicking: Performance Socks With Moisture Wicking Technology.<br> -High Stretch Stay Up Top: Engineered sock top to keep sock from fall during wear without being tight and causing discomfort.<br> -Max Cushioning: Soft and comfortable. Reduce sock and foot pain during sports or daily activity.<br> <br> <b>WASHING INSTRUCTION:</b><br> -Machine Wash & Hand Wash(suggest using wash bag). Tumble dry or Air dry.<br> -Don't iron. Don't bleach. Don't soak socks in hot water or suds for a long time.<br> -Suggest washing in cold water, these socks will stretch back from the slight shrinkage.<br> <br> <b>AFTER SALE SERVICE:</b><br> We stand behind our vintage new look hiking full cushioned socks. If these socks don't fit your feet or you are not happy with the socks,<br> just feel free to contact us. Also if there is any problem, we'd love to hear from you.<br>