Fiber Directory

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Darn Tough✕

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

Lambrecht✕

Flax yarn spinner using dry and half-wet spinning, operating since 1951.

Fiorima✕

Sock maker near Braga, Portugal, producing about 3.5 million pairs a year in organic cotton and merino for department stores, chains and brands such as Asket.

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.

TypeBrandMillManufacturerBrand
LocationNorthfield, Vermont, USOkonek, PLBraga, PTUnited States
FibersMerinoLinenOrganic cotton · MerinoMerino
MakesSocksFabric & yarnSocksTops & tees, Shirts, Pants & skirts, Base layers, Outerwear, Socks, Accessories
Services—SpinningKnitting—
Entry price$$ · Pair of socks $24.00——$$$ · Base layer top $125
Min. orderNot statedNot statedNot statedNot stated
CertifiedNone listedMasters of LinenGOTS, OEKO-TEX Standard 100, Responsible Wool StandardNone listed
NaturalNot 100%. Some blendsNot 100%. Some blendsNot 100%. Some blendsNot 100%. Some blends
Founded200419511985—