Fiber Directory

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Ibex✕

Merino wool outdoor clothing — base layers, socks and jackets — founded in Vermont in 1997, now based in Boulder.

IAFIL✕

Spinner of natural-fiber yarns in cotton, silk, linen, cashmere and alpaca for knitting and weaving.

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.

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.

TypeBrandMillManufacturerBrand
LocationBoulder, USMilan, ITBraga, PTUnited States
FibersMerinoCotton · Silk · Linen · Cashmere · AlpacaOrganic cotton · MerinoMerino
MakesBase layers, Socks, OuterwearFabric & yarnSocksTops & tees, Shirts, Pants & skirts, Base layers, Outerwear, Socks, Accessories
Services—SpinningKnitting—
Entry price$$$ · Base layer top $135——$$$ · Base layer top $125
Min. orderNot statedNot statedNot statedNot stated
CertifiedNone listedMasters of LinenGOTS, OEKO-TEX Standard 100, Responsible Wool StandardNone listed
NaturalNot 100%. Some blendsNot 100%. Some blendsNot 100%. Some blendsNot 100%. Some blends
Founded1997—1985—