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UK merino wool brand making tees, hoodies, base-layer tights, joggers, boxers, socks and beanies for running, outdoors and everyday wear; ships to the US.

Sock maker near Braga, Portugal, producing about 3.5 million pairs a year in organic cotton and merino for department stores, chains and brands such as Asket.

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.

Knitwear house born in Scotland in 1770 and now based in Italy, making sweaters and coats in cashmere, extrafine merino, lambswool and combed cotton.