Fiber Directory

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Darn Tough✕

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

Fiorima✕

Sock maker near Braga, Portugal, producing about 3.5 million pairs a year in organic cotton and merino for department stores, chains and brands such as Asket.

Canclini (C. Tessile 1925)✕

Como-area shirting mill weaving fine cotton, organic cotton and linen shirt fabrics, with GOTS-certified dyeing and a knitwear arm.

Duckworth✕

Montana brand making US-made merino wool shirts, base layers, sweatshirts, jackets and socks from wool grown on the Helle family ranch and Rocky Mountain growers.

TypeBrandManufacturerMillBrand
LocationNorthfield, Vermont, USBraga, PTGuanzate, ITUnited States
FibersMerinoOrganic cotton · MerinoCotton · Organic cotton · Linen · WoolMerino
MakesSocksSocksFabric & yarnTops & tees, Shirts, Pants & skirts, Base layers, Outerwear, Socks, Accessories
Services—KnittingWeaving, Dyeing, Knitting—
Entry price$$ · Pair of socks $24.00——$$$ · Base layer top $125
Min. orderNot statedNot statedNot statedNot stated
CertifiedNone listedGOTS, OEKO-TEX Standard 100, Responsible Wool StandardGOTS, OEKO-TEX Standard 100None listed
NaturalNot 100%. Some blendsNot 100%. Some blendsNot 100%. Some blendsNot 100%. Some blends
Founded200419851925—