Fiber Directory

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Fiorima✕

Sock maker near Braga, Portugal, producing about 3.5 million pairs a year in organic cotton and merino for department stores, chains and brands such as Asket.

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.

TypeManufacturerManufacturerBrand
LocationBraga, PTBurlington, USBoulder, US
FibersOrganic cotton · MerinoCotton · Hemp · WoolMerino
MakesSocksTops & teesBase layers, Socks, Outerwear
ServicesKnittingPrinting, Dyeing—
Entry price——$$$ · Base layer top $135
Min. orderNot statedNot statedNot stated
CertifiedGOTS, OEKO-TEX Standard 100, Responsible Wool StandardB CorpNone listed
NaturalNot 100%. Some blends100% naturalNot 100%. Some blends
Founded1985—1997

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