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.

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.

Mexthon✕

WFTO-member Fair Trade knitwear maker in Lima producing alpaca, cotton and merino knits for designer brands under private label and its own MKM label.

TypeManufacturerManufacturerBrandManufacturer
LocationBraga, PTBurlington, USUnited StatesLima, PE
FibersOrganic cotton · MerinoCotton · Hemp · WoolMerinoAlpaca · Cotton · Merino
MakesSocksTops & teesTops & tees, Shirts, Pants & skirts, Base layers, Outerwear, Socks, AccessoriesKnitwear
ServicesKnittingPrinting, Dyeing—Knitting, Private label
Entry price——$$$ · Base layer top $125—
Min. orderNot statedNot statedNot statedNot stated
CertifiedGOTS, OEKO-TEX Standard 100, Responsible Wool StandardB CorpNone listedFair Trade
NaturalNot 100%. Some blends100% naturalNot 100%. Some blendsNot 100%. Some blends
Founded1985———