Farm to Feet Men's Boulder Lightweight 1/4 Crew Socks 69% Merino Wool 30% Nylon 1% Spandex Made in US Merino wool is soft, itch-free, naturally odor and bacteria resistant; Nylon keeps foot cool, dry and protects from abrasion Reinforcing yarns woven into the stretch shell increase durability, while wool fibers sit closer to the skin for maximum insulation Bottom-of-foot cushioning across the entire sole provides shock-absorption that reduces impact from running and hiking and fitted instep reduces bulk Full-density cushioning provides better insulation, wicking, impact protection and faster moisture absorption to keep you dry and reduce friction Reinforced construction and low-stress seam placement reduce wear and tear, increasing the life of the sock