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| Minus33✕ Merino wool base layers, socks and hats from a fifth-generation New Hampshire woollen textile family business. | Buck Mason✕ American basics label known for Pima tees in US-grown Supima cotton, plus slub and hemp tees; some styles knit and sewn at its own Pennsylvania mill. | Darn Tough✕ Merino wool socks (blended with nylon for durability) made in Northfield, Vermont, with a lifetime guarantee. | 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 | Northfield, Vermont, US | Auckland, NZ |
| Fibers | Merino | Cotton · Hemp | Merino | Merino |
| Makes | Base layers, Socks, Accessories | Tops & tees, Shirts, Pants & skirts | Socks | Base layers, Tops & tees, Underwear, Socks, Outerwear |
| Services | — | — | — | — |
| 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 | 2013 | 2004 | — |