Honoring the alpine army division that is known for their heroics during WWII and contributions to the ski industry, these Darn Tough Vermont Beer Badge Thermolite OTC Midweight with Cushion socks are mid-weight Thermolite synthetic socks that insula 49% nylon, 48% Thermolite polyester, 3% Lycra spandex. Machine wash in warm water on a gentle cycle with socks inside-out. Do not bleach. Tumble dry on low or hang dry. Do not dry clean. Made in the USA.