This dual sock system can serve three purposes. The lightweight OTC can be worn alone in cool temperatures, the full cushioned boot sock can be worn in colder weather, or they can be combined under the most extreme temperatures providing warmth and comfort that is second to none. 1x1 comfort top Spandex. Fully reciprocated toe and heel construction with flat toe seam for perfect fit. Flat knit construction reduces bulk and conforms to shape of foot. Isofil for moisture control, warmth, and comfort.
OTC - 67% Olefin, 32% Nylour, 1% Spandex.
Boot Sock - 41% Olefin, 41% Wool, 17% Nylour, 1% Spandex.
Fits shoe size M(4-8½), L(9-12½).
Graphite (OTC) and Black (Boot Sock).