Designed with Spandex throughout, arch support, and a seamless toe closure for a secure, comfortable fit. Made from a premium blend of merino wool, rayon, stretch nylon, and Spandex for breathability, flexibility Enjoy moderate (15-20 mmHg) graduated compression in a sleek, non-cushion design for lightweight support. Seamless Toe Closure 32% Merino Wool, 32% Nylon, 31% Rayon, 5% Spandex