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| Minus33✕ Merino wool base layers, socks and hats from a fifth-generation New Hampshire woollen textile family business. | Darn Tough✕ Merino wool socks (blended with nylon for durability) made in Northfield, Vermont, with a lifetime guarantee. | Kero Design✕ Peruvian label selling its own alpaca sweaters, cardigans and accessories, which also knits garments for other labels, including Indigenous. | Duckworth✕ 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. | |
|---|---|---|---|---|
| Type | Brand | Brand | Brand | Brand |
| Location | Ashland, New Hampshire, US | Northfield, Vermont, US | Lima, PE | United States |
| Fibers | Merino | Merino | Alpaca · Cotton | Merino |
| Makes | Base layers, Socks, Accessories | Socks | Knitwear, Accessories | Tops & tees, Shirts, Pants & skirts, Base layers, Outerwear, Socks, Accessories |
| Services | — | — | — | — |
| Entry price | $$ · Base layer top $79.99 | $$ · Pair of socks $24.00 | — | $$$ · Base layer top $125 |
| Min. order | Not stated | Not stated | Not stated | Not stated |
| Certified | None listed | None listed | None listed | None listed |
| Natural | Not 100%. Some blends | Not 100%. Some blends | Not 100%. Some blends | Not 100%. Some blends |
| Founded | 2002 | 2004 | — | — |