Fiber Directory

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Darn Tough✕

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

Michell & Cia✕

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

Harvest & Mill✕

Organic cotton basics grown, milled and sewn in the USA, made with family-owned factories near its Berkeley studio.

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.

TypeBrandMillBrandBrand
LocationNorthfield, Vermont, USArequipa, PEBerkeley, USDrammen, NO
FibersMerinoAlpaca · Silk · Merino · LinenOrganic cottonMerino · Wool
MakesSocksFabric & yarnTops & tees, Shirts, Pants & skirts, SocksBase layers, Underwear, Tops & tees, Accessories, Baby & kids
Services—Spinning——
Entry price$$ · Pair of socks $24.00—$$ · Basic tee $54.00$$$ · Base layer top $104
Min. orderNot statedNot statedNot statedNot stated
CertifiedNone listedNone listedNone listedNone listed
NaturalNot 100%. Some blendsNot 100%. Some blendsNot 100%. Some blendsNot 100%. Some blends
Founded2004—20121939