KEEN Men's North Country Medium Crew Hiking Socks Ready for the long haul, the North Country Medium Crew premium midweight hiking sock features a fully cushioned footbed for support and comfort on the trail, and a seamless toe flex zone to avoid bunching. These great socks provide comfortable fit for all day comfort. Perfect for hiking, work, everyday wear, cycling, and any other outdoor activity. Built in the USA. FEATURES: - Natural Merino Wool; - Medium weight; - Contour arch support for comfort; - Fully cushioned foot and leg for support and comfort; - Left and right design for optimal fit; - Seamless toe in flex zone to avoid bunching and chafing; - Y heel pockets for better fit. MATERIAL: 70% Merino Wool, 28% Nylon, 2% Spandex. CARE Machine wash inside out in warm water and tumble dry on low heat. Do not use bleach. KEEN - Our products solve problems with conviction. We identify unmet needs and envision solutions that the world has not yet seen. Our products help keep people safe and comfortable when they go outside. We protect their toes, keep them warm and dry, prevent them from slipping. Our fans trust us to protect them, and we will not let them down. They look to us to show them a better way.