Fiber Directory

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Darn Tough✕

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

Polopiqué✕

Vertically integrated Portuguese textile group that spins, weaves, knits, finishes and sews mainly cotton, organic cotton and linen fabrics and garments for global fashion brands.

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.

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.

TypeBrandManufacturerBrandBrand
LocationNorthfield, Vermont, USSanto Tirso, PTDrammen, NOUnited States
FibersMerinoCotton · Organic cotton · LinenMerino · WoolMerino
MakesSocksFabric & yarnBase layers, Underwear, Tops & tees, Accessories, Baby & kidsTops & tees, Shirts, Pants & skirts, Base layers, Outerwear, Socks, Accessories
Services—Spinning, Weaving, Knitting, Dyeing, Cut & sew——
Entry price$$ · Pair of socks $24.00—$$$ · Base layer top $104$$$ · Base layer top $125
Min. orderNot statedNot statedNot statedNot stated
CertifiedNone listedGOTS, OEKO-TEX Standard 100None listedNone listed
NaturalNot 100%. Some blendsNot 100%. Some blendsNot 100%. Some blendsNot 100%. Some blends
Founded2004—1939—