Cabot Hosiery Mills was founded in 1978 by Marc Cabot, who bought and rebuilt a vacant mill in Northfield, Vermont. His son Ric joined in 1989. Through the 1990s the mill made socks for chains such as The Gap, but as retailers chased cheaper overseas suppliers, sales fell and the company defaulted on loans.
Ric Cabot's answer was to sell durable socks under an in-house name — Darn Tough. Distributed first locally, it found a following among outdoor enthusiasts and reached national retailers including REI and L.L.Bean, plus the US military, which by law buys from domestic producers. Driven by the brand, the mill's sales climbed to just under $50 million by 2016, with about 200 employees.