FoxRiver Women's Her Field Boot Socks 65% acrylic/20% Merino,wool blend/14% stretch nylon/1%spandex Made in US TOASTY WARMTH ON CHILLY DAYS: Medium weight sock for shorter activities and cooler weather 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 STAYS UP AND FEELS GREAT: Contoured rib top made from elastic and spandex helps hold the sock up and in place to eliminate slippage without pinching PINNACLE OF COMFORT: Smooth, flat toe seam doesn't rub or irritate during wear; 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