KENTWOOL Men's Tour Profile-Gameday Socks 100% Other Fibers Made in US Machine Wash Lifetime blister free guarantee Machine washable for easy care Moisture wicking Naturally odor resistant Made in USA; 58% Merino Wool/31% Nylon/9% Cocona Polyester/2% Spandex 66% Super fine Merino Wool, 24% Nylon, 8% Polyester, 2% spandex No Blister Guarantee Machine Washable, Warm water, No Bleach, Tumble Dry w/ low heat USA