Farm to Feet Men's Mount Airy Midweight Crew Socks 74% Merino Wool 25% Nylon 1% Spandex Made in US Merino wool is soft, itch-free, naturally odor and bacteria resistant, cool in the summer and warm in winter Advanced construction of hidden nylon plaiting creates a smooth exterior and a low-profile fit that is ideal for technical and sport socks Top-to-toe cushioning along the instep and shaft increases comfort, protects and insulates the foot from stiff boot tongues and uppers of heavy boots Full-density cushioning provides better insulation, wicking, impact protection and faster moisture absorption to keep you dry and reduce friction Reinforced construction and low-stress seam placement reduce wear and tear, increasing the life of the sock