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| Ibex✕ Merino wool outdoor clothing — base layers, socks and jackets — founded in Vermont in 1997, now based in Boulder. | Isobaa✕ 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. | ALUMO✕ Swiss shirting-fabric maker using extra-long-staple Supima and Sea Island cotton, plus cashmere and linen blends, woven at partner mills. | 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 | Mill | Brand |
| Location | Boulder, US | United Kingdom | Herisau, CH | United States |
| Fibers | Merino | Merino | Cotton · Organic cotton · Linen · Cashmere | Merino |
| Makes | Base layers, Socks, Outerwear | Tops & tees, Pants & skirts, Knitwear, Base layers, Underwear, Socks, Accessories | Fabric & yarn | Tops & tees, Shirts, Pants & skirts, Base layers, Outerwear, Socks, Accessories |
| Services | — | — | Weaving | — |
| Entry price | $$$ · Base layer top $135 | $$$ · Base layer top $106 | — | $$$ · Base layer top $125 |
| Min. order | Not stated | Not stated | Not stated | Not stated |
| Certified | None listed | None listed | GOTS | None listed |
| Natural | Not 100%. Some blends | Not 100%. Some blends | Not 100%. Some blends | Not 100%. Some blends |
| Founded | 1997 | 2016 | 1918 | — |