Relief your feet on your next trip with the Thorlos(R) Thick Cushion Hiking Wool Blend sock. Sold as a three-pair pack. Crew length sock sits at calf. Designed to keep feet protected and warm out on the trails. Socks offer protection and comfort for hikers prone to blisters, foot pain, or foot discomfort. Constructed with moisture-wicking THORLON(R) and wool blend for additional warmth and superior softness, resilience, and durability for drier, better feeling feet during strenuous hikes. Thick cushioning in the ball/heel for reducing shock, impact, shear and blisters. Flat knit instep and cushioning in arch gives protection against boot pressure for a better fit and support. Clinically-tested padding under the ball and heel provides maximum protection from blisters and impact protection where needed most. Cushioning over toes offer protection against "boot bangs" (black toe) 53% acrylic, 33% wool, 11% stretch nylon, 3% spandex. Machine wash warm, tumble dry low. Made in the U.S.A. Made in the USA.