Fox River Copper Guardian Pro Anti-Odor Ankle Socks 100% Other Fibers Made in US BENEFIT FROM COPPER: Why COPPER? Copper is a natural element that's good for body and skin wellness, guards against odor-causing bacteria and fungi CUSTOM-FIT COMFORT: URfit System provides the ultimate personalized response fit combining memory knit compression, a contoured rib top and spandex compression zones MADE TO LAST: Reinforced heel and toe areas add durability and longer sock life STAY DRY AND AVOID BLISTERS: Sock-specific mesh and vented panels provide breathability and help manage moisture to keep feet dry 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