Sockwell Women's Blossom Socks 33% merino Wool/33% Bamboo Rayon/29% Nylon/5% Spandex Made in US Seamless toe closure offers a smooth and comfortable fit Arch support offers a comfort fit and helps keep the sock in place Non cushion sole Turn welt top helps keeps the sock in place Spandex throughout the sock prevents slippage and ensures a snappy fit throughout the day