Non-Mulesed Merino Wool Blend Our ethically sourced, non-mulesed Merino Wool blend makes for a naturally breathable, soft, itch-free sock. Made in USA This sock is manufactured in the USA using imported fibers. Seam-Free Toe Our seam-free toe design helps reduce bunching and blisters. Cushion and Venting Targeted cushioning where you need it in addition to ventilation channels to help regulate temperature. Arch Support Our socks are designed with arch support to help reduce fatigue. 82% Merino Wool, 17% Nylon, 1% Lycra Crew, Brown