2 Pair Pack (1 camo pattern, 1 grey). 60% Acrylic, 20% Merino Wool, 17% Nylon, 3% Spandex. Thermal insulating wool blend. Naturally moisture wicking comfort. Naturally odor resistant wool. Thick full cushion comfort. Embedded arch support fights against foot fatigue. Reinforced heel and toe maximize protection. Smooth toe seams provide all day comfort. Ribbed stay-up top for a secure, comfortable fit. Mid calf fit. Made in the USA.