Fiber Directory

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Darn Tough✕

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

Tessuti di Sondrio✕

Marzotto group weaver making cotton, linen, hemp and wool fabrics for fashion brands.

Michell & Cia✕

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

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.

TypeBrandMillMillBrand
LocationNorthfield, Vermont, USSondrio, ITArequipa, PEDrammen, NO
FibersMerinoLinen · Cotton · Hemp · WoolAlpaca · Silk · Merino · LinenMerino · Wool
MakesSocksFabric & yarnFabric & yarnBase layers, Underwear, Tops & tees, Accessories, Baby & kids
Services—WeavingSpinning—
Entry price$$ · Pair of socks $24.00——$$$ · Base layer top $104
Min. orderNot statedNot statedNot statedNot stated
CertifiedNone listedMasters of LinenNone listedNone listed
NaturalNot 100%. Some blendsNot 100%. Some blendsNot 100%. Some blendsNot 100%. Some blends
Founded2004——1939