Fiber Directory

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Up to 4 listings side by side.

Icebreaker✕

Merino outdoor and base-layer clothing; some fabrics blend merino with nylon, lyocell or elastane.

Bartlettyarns✕

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

ALUMO✕

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

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
LocationAuckland, NZHarmony, USHerisau, CHUnited States
FibersMerinoWoolCotton · Organic cotton · Linen · CashmereMerino
MakesBase layers, Tops & tees, Underwear, Socks, OuterwearFabric & yarnFabric & yarnTops & tees, Shirts, Pants & skirts, Base layers, Outerwear, Socks, Accessories
Services—Spinning, WeavingWeaving—
Entry price$$ · Base layer top $89.45——$$$ · Base layer top $125
Min. orderNot statedNot statedNot statedNot stated
CertifiedZQ MerinoNone listedGOTSNone listed
NaturalNot 100%. Some blendsNot 100%. Some blendsNot 100%. Some blendsNot 100%. Some blends
Founded—18211918—