Fiber Directory

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Darn Tough✕

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

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.

Mexthon✕

WFTO-member Fair Trade knitwear maker in Lima producing alpaca, cotton and merino knits for designer brands under private label and its own MKM label.

Ibex✕

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

TypeBrandBrandManufacturerBrand
LocationNorthfield, Vermont, USDrammen, NOLima, PEBoulder, US
FibersMerinoMerino · WoolAlpaca · Cotton · MerinoMerino
MakesSocksBase layers, Underwear, Tops & tees, Accessories, Baby & kidsKnitwearBase layers, Socks, Outerwear
Services——Knitting, Private label—
Entry price$$ · Pair of socks $24.00$$$ · Base layer top $104—$$$ · Base layer top $135
Min. orderNot statedNot statedNot statedNot stated
CertifiedNone listedNone listedFair TradeNone listed
NaturalNot 100%. Some blendsNot 100%. Some blendsNot 100%. Some blendsNot 100%. Some blends
Founded20041939—1997