Men's Muck Midweight Crew Socks are Made in USA. 70% Merino Wool keeps feet cooler and drier with natural moisture-wicking and breathable fiber. The full cushion leg and foot with seamless toe enhances comfort. Reinforced heel and toe add durability and extend wear. These year-round socks are built for all-day comfort. Midweight Full Cushion Leg & Foot Seamless Toe Reinforced Heel & Toe Moisture Wicking Arch Support - Added Fit Seamless Toe Muck Boot Company Midweight, Crew Sock 70 Percent Merino Wool Made In USA, 1 Pair, 73016