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Jermyn Street shirtmaker making luxury men's shirts by hand in its Gloucester workshop from Swiss and Sea Island cottons, plus linen, cashmere and silk pieces.

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

London womenswear label known for signature silk collections, making resortwear, sleepwear and staples in silk, linen and wool.