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.

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.

Darn Tough✕

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

TypeBrandMillMillBrand
LocationBoulder, USHerisau, CHHarmony, USNorthfield, Vermont, US
FibersMerinoCotton · Organic cotton · Linen · CashmereWoolMerino
MakesBase layers, Socks, OuterwearFabric & yarnFabric & yarnSocks
Services—WeavingSpinning, Weaving—
Entry price$$$ · Base layer top $135——$$ · Pair of socks $24.00
Min. orderNot statedNot statedNot statedNot stated
CertifiedNone listedGOTSNone listedNone listed
NaturalNot 100%. Some blendsNot 100%. Some blendsNot 100%. Some blendsNot 100%. Some blends
Founded1997191818212004