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| Minus33✕ Merino wool base layers, socks and hats from a fifth-generation New Hampshire woollen textile family business. | 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. | Ibex✕ Merino wool outdoor clothing — base layers, socks and jackets — founded in Vermont in 1997, now based in Boulder. | Icebreaker✕ Merino outdoor and base-layer clothing; some fabrics blend merino with nylon, lyocell or elastane. | |
|---|---|---|---|---|
| Type | Brand | Brand | Brand | Brand |
| Location | Ashland, New Hampshire, US | United States | Boulder, US | Auckland, NZ |
| Fibers | Merino | Merino | Merino | Merino |
| Makes | Base layers, Socks, Accessories | Tops & tees, Shirts, Pants & skirts, Base layers, Outerwear, Socks, Accessories | Base layers, Socks, Outerwear | Base layers, Tops & tees, Underwear, Socks, Outerwear |
| Services | — | — | — | — |
| Entry price | $$ · Base layer top $79.99 | $$$ · Base layer top $125 | $$$ · Base layer top $135 | $$ · Base layer top $89.45 |
| Min. order | Not stated | Not stated | Not stated | Not stated |
| Certified | None listed | None listed | None listed | ZQ Merino |
| Natural | Not 100%. Some blends | Not 100%. Some blends | Not 100%. Some blends | Not 100%. Some blends |
| Founded | 2002 | — | 1997 | — |