Fiber Directory

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Darn Tough✕

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

Industry of All Nations✕

Plastic-free clothing in organic cotton and alpaca, with naturally dyed tees and Bolivian alpaca knitwear.

Michell & Cia✕

Vertically integrated Peruvian alpaca group making tops, knitting yarns and fabrics in pure alpaca and blends.

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.

TypeBrandBrandMillBrand
LocationNorthfield, Vermont, USLos Angeles, USArequipa, PEUnited States
FibersMerinoOrganic cotton · AlpacaAlpaca · Silk · Merino · LinenMerino
MakesSocksTops & tees, Knitwear, Pants & skirtsFabric & yarnTops & tees, Shirts, Pants & skirts, Base layers, Outerwear, Socks, Accessories
Services——Spinning—
Min. orderNot statedNot statedNot statedNot stated
CertifiedNone listedNone listedNone listedNone listed
NaturalNot 100%. Some blendsNot 100%. Some blendsNot 100%. Some blendsNot 100%. Some blends
Founded20042010——