When warmth is at a premium, choose these thermal socks boasting soft, insulating merino wool and full-cushion terry linings that deliver excellent heat retention. Arch supports ensure a proper fit. Air channel on sides increase ventilation. Reinforced heels and toes add durability. 60% merino wool, 21% polyester, 17% nylon, 1% spandex, 1% rubber. Two pairs per pack. Imported. Ht: 11.75". Size: Large. Color: Black/Brown.