These Carhartt Men's Heavyweight Boot Socks are ready for long days on your feet. They're made of soft knit, with extra cushioning at the heel, arch, and toe. Abrasion-resistant yarns in high-wear zones provide the extra durability that hard work demands.Features70% acrylic / 17% wool / 6% nylon / 6% polyester / 1% elastaneFastDry wicks away sweatFights odorTemperature-regulating wool blendHeel, arch, toe, instep and leg cushioningRibbed channels improve ventilation on legAbrasion-resistant yarns in heel and toe