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| TS Designs✕ Burlington, North Carolina B Corp t-shirt maker using only natural fibers (US-grown cotton, hemp, wool), offering eco printing and garment dyeing for brands. | Ibex✕ Merino wool outdoor clothing — base layers, socks and jackets — founded in Vermont in 1997, now based in Boulder. | Júlio da Silva Sampaio (Confeções Cruzeiro)✕ Guimarães shirt factory (trading as Confeções Cruzeiro) making woven and denim shirts for brands and weaving its own poplins, oxfords and flannels, using organic cotton, linen and hemp among other fibers. | |
|---|---|---|---|
| Type | Manufacturer | Brand | Manufacturer |
| Location | Burlington, US | Boulder, US | Guimarães, PT |
| Fibers | Cotton · Hemp · Wool | Merino | Organic cotton · Linen · Hemp |
| Makes | Tops & tees | Base layers, Socks, Outerwear | Shirts |
| Services | Printing, Dyeing | — | Cut & sew, Weaving |
| Entry price | — | $$$ · Base layer top $135 | — |
| Min. order | Not stated | Not stated | Not stated |
| Certified | B Corp | None listed | GOTS |
| Natural | 100% natural | Not 100%. Some blends | Not 100%. Some blends |
| Founded | — | 1997 | 1971 |