Fox River Copper Guardian Pro Anti-Odor Crew Socks 100% Other Fibers Made in US Why coppercopper is a natural element that's good for body and skin wellness Perfect for those smelly work boots, these medium weight copper Crew socks guards against odor-causing bacteria and fungi Natural anti-odor protection that enhances appearance of skin texture and Tone Feature WICK Dry Technology to help avoid blisters Reinforced toe and heel add comfort and longer Product life; made in the USA