F6077 Wigwam Hiking Outdoor Crew Developed for the serious outdoorsman, Wigwam's Hiking/Outdoor Pro utilizes our patented Ultimax technology to keep sweat from spoiling your adventures. Midweight Light Cushion Dry Feet Durable Stay Put Leg Achilles Wear Cradle Seamless Toe Closure Cushioned Sole and Leg Long-wearing Heel and Toe No Blisters Odor Control Made in the USA Materials Lt. Grey/Heather: 31% Polypropylene / 28% X2O Acrylic / 23% Stretch Nylon / 14% Polyester / 3% Wool / 1% Spandex Product Care A little bit of care can keep your Wigwam socks performing well for years. Turn socks inside out before washing Wash in warm water. Do not bleach Do not use fabric softener Tumble dry or lay flat to air dry