Carhartt Women's Heavyweight Merino Wool Blend Boot Sock-3 Pair Pack Bundle 66% Acrylic, 21% Merino Wool, 12% Nylon, 1% Spandex Made in US Machine Wash Fast dry technology for quick wicking Fights odors Merino wool blend Insulated for extreme cold 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!