Seasoned runners will tell you that Merino Wool is a must have in your sock lineup, especially for varied conditions. Our super soft Merino Wool blend is made with fibers known to help pull moisture away from the skin and regulate temps, helping to keep you cool when it's hot, and warm when it's not. Strategically cushioned for running, they're finished with a seamless toe, blister-fighting tech, and targeted arch compression. Design: Anti-Odor: Merino Wool fibers are known to help naturally control moisture and minimize the growth of odor-causing bacteria Honeycomb Support System cradles the arch of your foot, like a firm but comfortable hug around your midfoot. Merino Wool fibers are known to help naturally pull moisture away from the skin to keep feet cool, dry, and comfortable. Secure Fit Tech: Designed to fit your foot like a glove-no shifting or bunching here. Sweat Wicking: This material absorbs moisture to help keep sweat from accumulating and weighing you down Thermoregulating: Merino Wool fibers are known to help regulate temperatures, keeping you cool when it's hot and warm when it's not Mesh Ventilation: A specialized knitting technique allows for more airflow in key areas Enhanced Durability: Tested and proven to resist abrasion that leads to early wear and tear. Additional Details Double Blister Tab: Tabs in the front and back help fight chafing and blisters in the spots that need it most. Run Cushioning: Strategically cushioned in the areas runners need it most Left-Right Engineered: Designed to fit each foot precisely for a more ergonomic fit. Midweight 50% polyester 32% nylon 13% cotton 5% elastane Imported Machine wash cold on gentle cycle, Only non-chlorine bleach when needed, Tumble dry low, Do not iron, Do not dryclean, Do not use fabric softeners