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Montana brand making US-made merino wool shirts, base layers, sweatshirts, jackets and socks from wool grown on the Helle family ranch and Rocky Mountain growers.

Norwegian knitwear house making women's sweaters, cardigans and dresses in its Ytre Arna factory from merino wool, silk and alpaca.

Merino wool outdoor clothing — base layers, socks and jackets — founded in Vermont in 1997, now based in Boulder.

Norwegian wool brand making merino wool base layers, thermal underwear, fleece-wool layers and beanies, using New Zealand merino knitted in its own Estonian facility.