Fiber Directory

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Darn Tough✕

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

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.

Ferla✕

Biella weaver of luxury jacket, suit and coat cloth in natural fibers, known as the exclusive producer of Baby Alpaca fabrics.

Aclima✕

Norwegian wool brand making merino wool base layers, thermal underwear, fleece-wool layers and beanies, using New Zealand merino knitted in its own Estonian facility.

TypeBrandManufacturerMillBrand
LocationNorthfield, Vermont, USBraga, PTValdilana, ITDrammen, NO
FibersMerinoOrganic cotton · MerinoAlpaca · WoolMerino · Wool
MakesSocksSocksFabric & yarnBase layers, Underwear, Tops & tees, Accessories, Baby & kids
Services—KnittingWeaving—
Entry price$$ · Pair of socks $24.00——$$$ · Base layer top $104
Min. orderNot statedNot statedNot statedNot stated
CertifiedNone listedGOTS, OEKO-TEX Standard 100, Responsible Wool StandardNone listedNone listed
NaturalNot 100%. Some blendsNot 100%. Some blendsNot 100%. Some blendsNot 100%. Some blends
Founded20041985—1939