Fiber Directory

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Up to 4 listings side by side.

ALUMO✕

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

Ibex✕

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

Buck Mason✕

American basics label known for Pima tees in US-grown Supima cotton, plus slub and hemp tees; some styles knit and sewn at its own Pennsylvania mill.

Hemp Fortex✕

Qingdao hemp textile maker that spins, weaves and knits hemp and organic-cotton fabrics (also blended with Tencel and recycled poly), with in-house garment making.

TypeMillBrandBrandMill
LocationHerisau, CHBoulder, USUnited StatesQingdao, CN
FibersCotton · Organic cotton · Linen · CashmereMerinoCotton · HempHemp · Organic cotton · Silk · Wool
MakesFabric & yarnBase layers, Socks, OuterwearTops & tees, Shirts, Pants & skirtsFabric & yarn
ServicesWeaving——Spinning, Weaving, Knitting, Dyeing, Cut & sew
Entry price—$$$ · Base layer top $135$$ · Basic tee $48.00—
Min. orderNot statedNot statedNot statedNot stated
CertifiedGOTSNone listedNone listedGOTS, OEKO-TEX Standard 100, Fair Trade
NaturalNot 100%. Some blendsNot 100%. Some blendsNot 100%. Some blendsNot 100%. Some blends
Founded1918199720131999