FoxRiver Snow Pack Jr. Over-The-Calf Merino Wool Socks (2 Pack) 56% acrylic, 24% nylon, 19% Merino/wool blend, 1% spandex. Made in US PERFECT SOCK FOR ANY DAY ON THE SLOPES: Insulating fibers, gentle compression and moisture wicking mean warm, dry, happy feet; cushioned leg and foot protect you from bumps and bruises from top to bottom BENEFITS OF MERINO WOOL: Merino wool naturally thermoregulates, keeps you dry and reduces odors too, it's also luxuriously soft and comfortable. Unlike coarser grades of wool, Merino is much less prone to itching INCREDIBLY COMFORTABLE: Lightweight jersey knitting at instep helps eliminate bunching and bulk at the ankle MADE TO LAST: Smooth, flat toe seam doesn't rub or irritate during wear; smooth, flat toe closure technique adds durability so it stretches every way you do without unraveling BACKED BY COMPANY STANDARDS OF EXCELLENCE: Fox River products are guaranteed against manufacturing defects for one year; products may be returned within one year with the dated receipt to the store where you purchased them or by following our FoxSox.com return process