FoxRiver Rugged Thermal Mid-Calf Boot Work Sock TOASTY WARMTH FOR THE COLDEST DAYS: Fully thermalined construction absorbs shocks and insulates; great for long trips and cold weather 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 BENEFIT FROM NATURE'S FINEST INSULATOR: Wool offers great features including thermoregulation to help balance temperature and keep you dry by absorbing as much as 30% of its weight before it feels damp; plus, it's breathable and naturally resists odor MADE TO LAST A LIFETIME: Heel and toe are reinforced with nylon to add durability and longer sock life 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