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

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.

Kathmandu knitwear factory making fully fashioned cashmere sweaters, cardigans and accessories, including baby cashmere and cashmere-silk, for private-label clients.

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.