Fiber Directory

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Darn Tough✕

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

IAFIL✕

Spinner of natural-fiber yarns in cotton, silk, linen, cashmere and alpaca for knitting and weaving.

Fox Brothers✕

Tonedale Mill in Wellington, making woollen and worsted cloth — including the original West of England flannel — since 1772.

Ibex✕

Merino wool outdoor clothing — base layers, socks and jackets — founded in Vermont in 1997, now based in Boulder.

TypeBrandMillMillBrand
LocationNorthfield, Vermont, USMilan, ITWellington, GBBoulder, US
FibersMerinoCotton · Silk · Linen · Cashmere · AlpacaWoolMerino
MakesSocksFabric & yarnFabric & yarnBase layers, Socks, Outerwear
Services—SpinningWeaving—
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—17721997