Climb the craziest trails in the ultracomfy and durable Targhee Medium OTC by Keen. Over-the-calf style medium-weight hiking sock. Anatomical left and right design for optimal fit. Seamless toe in flex zone to minimize bunching. Contoured arch support for added comfort. Y-heel pocket helps keep sock in place. Impact cushioning in key areas. Materials: 77% merino wool, 17% nylon, 5% polyester, 1% spandex. Machine wash cold and tumble dry. Made in the USA and Imported.