-69% wool / 28% nylon / 2% acrylic / 2% elastane -Wicks away sweat -Fights odor -Temperature-regulating wool blend -Heel, arch, toe, instep and leg cushioning -Arch support -Mesh instep for breathability -Abrasion-resistant yarns in heel and toe -Steel toe protection -Made in USA -Style: SB39150-M-HYG Carhartt Men's Black Heavyweight Wool Blend Boot Socks