Darn Tough is a Vermont-based company known for producing high-quality socks designed for outdoor activities. Founded in 2004, the brand emphasizes durability, comfort, and performance, making their products popular among hikers, runners, and outdoor enthusiasts. The company offers a lifetime guarantee on its socks, reflecting its commitment to quality. Darn Tough uses a blend of materials, including merino wool, to ensure moisture-wicking properties and temperature regulation. Their diverse range of styles caters to various activities, from casual wear to extreme sports.