1. The business mainly operates in the United States, with core activities in designing, manufacturing, and selling merino wool socks, and it offers a lifetime warranty service.
2. In the e-commerce/apparel industry, it is a well-known brand in a vertical niche, with competitors including Smartwool and Icebreaker.
3. The brand terms used on the official website are "Darn Tough" or "Darn Tough Vermont".