Fiber Directory

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Darn Tough✕

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

Lambrecht✕

Flax yarn spinner using dry and half-wet spinning, operating since 1951.

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.

Icebreaker✕

Merino outdoor and base-layer clothing; some fabrics blend merino with nylon, lyocell or elastane.

TypeBrandMillManufacturerBrand
LocationNorthfield, Vermont, USOkonek, PLBraga, PTAuckland, NZ
FibersMerinoLinenOrganic cotton · MerinoMerino
MakesSocksFabric & yarnSocksBase layers, Tops & tees, Underwear, Socks, Outerwear
Services—SpinningKnitting—
Entry price$$ · Pair of socks $24.00——$$ · Base layer top $89.45
Min. orderNot statedNot statedNot statedNot stated
CertifiedNone listedMasters of LinenGOTS, OEKO-TEX Standard 100, Responsible Wool StandardZQ Merino
NaturalNot 100%. Some blendsNot 100%. Some blendsNot 100%. Some blendsNot 100%. Some blends
Founded200419511985—