Goodhew Women&#39;s Stripe-It-To-Me Sock, Khaki, Small/Medium 5% spandex 65% Merino Wool, 30% Stretch Nylon, 5% Spandex Spandex throughout the sock Turn welt top and flat toe seam. Machine wash warm, turn sock inside out. Tumble dry low. Do not bleach. Made in the USA