Fiber Directory

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Darn Tough✕

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

TS Designs✕

Burlington, North Carolina B Corp t-shirt maker using only natural fibers (US-grown cotton, hemp, wool), offering eco printing and garment dyeing for brands.

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.

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.

TypeBrandManufacturerBrandBrand
LocationNorthfield, Vermont, USBurlington, USUnited StatesDrammen, NO
FibersMerinoCotton · Hemp · WoolMerinoMerino · Wool
MakesSocksTops & teesTops & tees, Shirts, Pants & skirts, Base layers, Outerwear, Socks, AccessoriesBase layers, Underwear, Tops & tees, Accessories, Baby & kids
Services—Printing, Dyeing——
Entry price$$ · Pair of socks $24.00—$$$ · Base layer top $125$$$ · Base layer top $104
Min. orderNot statedNot statedNot statedNot stated
CertifiedNone listedB CorpNone listedNone listed
NaturalNot 100%. Some blends100% naturalNot 100%. Some blendsNot 100%. Some blends
Founded2004——1939