Fiber Directory

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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.

Ibex✕

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

ALUMO✕

Swiss shirting-fabric maker using extra-long-staple Supima and Sea Island cotton, plus cashmere and linen blends, woven at partner mills.

Aclima✕

Norwegian wool brand making merino wool base layers, thermal underwear, fleece-wool layers and beanies, using New Zealand merino knitted in its own Estonian facility.

TypeBrandBrandMillBrand
LocationUnited StatesBoulder, USHerisau, CHDrammen, NO
FibersMerinoMerinoCotton · Organic cotton · Linen · CashmereMerino · Wool
MakesTops & tees, Shirts, Pants & skirts, Base layers, Outerwear, Socks, AccessoriesBase layers, Socks, OuterwearFabric & yarnBase layers, Underwear, Tops & tees, Accessories, Baby & kids
Services——Weaving—
Entry price$$$ · Base layer top $125$$$ · Base layer top $135—$$$ · Base layer top $104
Min. orderNot statedNot statedNot statedNot stated
CertifiedNone listedNone listedGOTSNone listed
NaturalNot 100%. Some blendsNot 100%. Some blendsNot 100%. Some blendsNot 100%. Some blends
Founded—199719181939