Fiber Directory

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Mercer & Sons✕

Family shirtmaker known for traditional button-downs in its two-ply Pima cotton oxford with hand-turned unlined collars, made in the USA.

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.

TypeBrandBrandMill
LocationBozeman, USBoulder, USHerisau, CH
FibersCottonMerinoCotton · Organic cotton · Linen · Cashmere
MakesShirts, UnderwearBase layers, Socks, OuterwearFabric & yarn
Services——Weaving
Entry price$$$ · Button-up shirt $180$$$ · Base layer top $135—
Min. orderNot statedNot statedNot stated
CertifiedNone listedNone listedGOTS
NaturalNot 100%. Some blendsNot 100%. Some blendsNot 100%. Some blends
Founded198219971918

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