Fiber Directory

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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.

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.

Darn Tough✕

Merino wool socks (blended with nylon for durability) made in Northfield, Vermont, with a lifetime guarantee.

TypeBrandManufacturerManufacturerBrand
LocationUnited KingdomBraga, PTBurlington, USNorthfield, Vermont, US
FibersMerinoOrganic cotton · MerinoCotton · Hemp · WoolMerino
MakesTops & tees, Pants & skirts, Knitwear, Base layers, Underwear, Socks, AccessoriesSocksTops & teesSocks
Services—KnittingPrinting, Dyeing—
Entry price$$$ · Base layer top $106——$$ · Pair of socks $24.00
Min. orderNot statedNot statedNot statedNot stated
CertifiedNone listedGOTS, OEKO-TEX Standard 100, Responsible Wool StandardB CorpNone listed
NaturalNot 100%. Some blendsNot 100%. Some blends100% naturalNot 100%. Some blends
Founded20161985—2004