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

British outerwear brand famous for the duffle coat, making wool-rich duffles, peacoats and overcoats in England, including Harris Tweed styles.

Houston shirtmaker since 1883 offering ready-to-wear, made-to-order and bespoke shirts cut and sewn by hand in cotton and linen.

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.