Dahlgren Forest & Field Socks, Charcoal, X-Large 100% Other Fibers Made in US Patented DriStride Technology absorbs transfers and removes moisture keeping feet drier and more comfortable all day long Substantial cushion throughout for maximum comfort, Shrink resistant Merino/Alpaca in moisture Zones and in wicking channels WICK moisture and provide soft insulation Dahlgren's become a Secret weapon against temperature swings, discomfort and even blisters, We want you to focus on your Activity, Not your feet Alpaca/Merino blend insulates from heat and cold providing year round comfort, 75% Polyester/23% Nylon/2% Spandex