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.

Buck Mason✕

American basics label known for Pima tees in US-grown Supima cotton, plus slub and hemp tees; some styles knit and sewn at its own Pennsylvania mill.

Ibex✕

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

TypeBrandMillBrandBrand
LocationNorthfield, Vermont, USMilan, ITUnited StatesBoulder, US
FibersMerinoCotton · Silk · Linen · Cashmere · AlpacaCotton · HempMerino
MakesSocksFabric & yarnTops & tees, Shirts, Pants & skirtsBase layers, Socks, Outerwear
Services—Spinning——
Entry price$$ · Pair of socks $24.00—$$ · Basic tee $48.00$$$ · Base layer top $135
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—20131997