Fox River Adult Cold Weather Mid-Calf Boot Socks 50% Merino Wool/32% Acrylic/16% Nylon/2% Spandex Made in US Reinforced toe and heel add durability and longer sock life VERSATILE 4-SEASON SOCK FOR RUGGED USE: Merino wool thermal socks stand up to cold-climate duty, keeping your feet warm and comfortable; secure fit means no bunching in the bottom of your boot, minimizing blisters KEEP ODORS AT BAY: Scentry helps permanently defend your socks from odor; natural and man-made agents make this technology a sure way to be confident about sock odor, embedded fiber like silver or copper or with a micropolymer silane technology which slows wear and reduces odor in the sock MADE TO LAST: Reinforced heel and toe areas add durability and longer sock life STAY DRY WITH WICK DRY: Our exclusive technology quickly draws moisture away from your skin so your feet stay dry and comfortable; removes any moisture build up which reduces hot spots and friction that causes blisters 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