Fox River Old Glory Medium Weight Over-The-Calf Socks 37% Merino Wool/ 24% Nylon/ 20% Tencel/ 17% Acrylic/ 2% Spandex Made in USA PERFECT SOCK FOR THE SLOPES: Medium weight socks that provide soft comfort and thermoregulation, keeping your little one warm when they're cold and cool when they're hot; great kids' fit offers incredible support and wicking, your little is ensured to be comfy and dry 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 MADE TO LAST: Sock-specific mesh and vented panels provide breathability and help manage moisture to keep feet dry; reinforced heel and toe areas add increased durability to increase sock life CUSTOM FIT: Spandex knit throughout the sock gives it a memory-fit helping it keep its shape wash after wash, wear after wear 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