Sockwell Women's Full Bloom Socks 32% Stretch Nylon/31% Merino Wool/31% Bamboo Rayon/6% Spandex Made in US Spandex Throughout the Sock Turn Welt Top Helps Keep the Sock Up Flat Toe Seam helps add Comfort Arch Support offers a Comfort Fit and Helps Keep the Sock In Place Spandex Throughout the Sock