thorlos Men's Kx Thick Padded Hiking Crew Sock, 87% Polyester, 11% Nylon, 2% Elastane Made in US No Closure closure Machine Wash Thorlos clinically-tested padding under the ball and heel provides maximum protection from friction, the Primary cause of blisters, and impact protection where needed most Constructed with thor-wick fibers for superior moisture-wicking for drier and cooler feet Made in statesville, north carolina, USA 30 day guarantee: Thorlos feel better than ordinary socks. If you do not agree, send the socks and your receipt to Thorlos for a full refund You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!