Fiber Directory

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Up to 4 listings side by side.

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.

Bartlettyarns✕

Historic Maine woolen mill making mule-spun wool knitting yarns from mostly East Coast fleece.

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.

TypeBrandMillMillBrand
LocationBoulder, USHerisau, CHHarmony, USUnited States
FibersMerinoCotton · Organic cotton · Linen · CashmereWoolMerino
MakesBase layers, Socks, OuterwearFabric & yarnFabric & yarnTops & tees, Shirts, Pants & skirts, Base layers, Outerwear, Socks, Accessories
Services—WeavingSpinning, Weaving—
Entry price$$$ · Base layer top $135——$$$ · Base layer top $125
Min. orderNot statedNot statedNot statedNot stated
CertifiedNone listedGOTSNone listedNone listed
NaturalNot 100%. Some blendsNot 100%. Some blendsNot 100%. Some blendsNot 100%. Some blends
Founded199719181821—