Sockwell Women's Sport Quarter 2-Pack Socks Wool 36% / Polyester 36% / Nylon 23% / Spandex 6% Made in the USA and Imported 36% Merino Wool,36% Coolmax,23% Stretch Nylon,6% Spandex Turn welt top and instep vent panel Reinforced Hi-heel and flat toe seam Machine wash warm, turn sock inside out. Tumble dry low. Do not bleach. Made in the USA