Darn Tough is a family based company from Northfield, Vermont. With living there, they get a perfect testing ground for their products. They do this by skiing, snowboarding, hiking, biking and running in the most unforgiving climate in the lower 48. Darn Tough also offers an unconditional and simple lifetime guarantee. With close to 40 years of experience, they have been able to focus on their mission. To design, manufacture, sell and promote the most comfortable, durable and best fitting socks available on the market today. Listed below are the main qualities that make Darn Tough stand out.