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Merino wool base layers, socks and hats from a fifth-generation New Hampshire woollen textile family business.

Irish linen weaver since 1912, operating from what it calls Ireland's oldest remaining linen mill, with its own dyeing and finishing works.

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.