Darn Tough Vermont is an American manufacturer of premium performance socks. Their products are made in the USA and come with an unconditional lifetime guarantee. Darn Tough socks are made from Merino wool, which makes them extremely comfortable, odor-resistant, and able to regulate temperature. They offer a wide range of styles to fit any activity and are perfect for outdoor activities, everyday wear, and sports. Darn Tough Vermont’s socks are the toughest, most comfortable, and longest lasting socks you’ll ever wear.