Sockwell Men's Merino Wool Value Crew Socks (2 Pack) 32% merino Wool/32% Bamboo Rayon/32% Nylon/4% Spandex Made in US Light cushioned sole added for comfort Seamless toe closure offers a smooth and comfortable fit Spandex throughout the sock prevents slippage and ensures a snappy fit throughout the day Arch support offers a comfort fit and helps keep the sock in place