There seems to be a reoccurring theme when talking about Darn Tough Vermont socks, built to last and complete with a unconditional lifetime guarantee. It's no surprise that Grind TV has joined the ranks of those touting these Vermont made socks. In their article "Gear That Never Wears Out", the socks were number one on the list. As outdoor companies are striving to become more sustainable in the the products they produce, Darn Tough has prided itself on durable, lasting socks from day one. The some high quality construction goes into every pair form hikers to runner and all in between.