Sockwell Women's The Fade Socks 35% Merino Wool/35% Bamboo Rayon/26% Stretch Nylon/4% Spandex Made in US Spandex Throughout the Sock Seamless Toe Closure for Comfort and fit Arch Support offers a Comfort Fit and Helps Keep the Sock In Place Fully Cushioned Sock is Comfy and Warm Spandex Throughout the Sock