Fiber Directory

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Darn Tough✕

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

Harvest & Mill✕

Organic cotton basics grown, milled and sewn in the USA, made with family-owned factories near its Berkeley studio.

Sheep Inc.✕

London knitwear label using traceable, ZQ-certified New Zealand merino from regenerative sheep stations.

Icebreaker✕

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

TypeBrandBrandBrandBrand
LocationNorthfield, Vermont, USBerkeley, USLondon, GBAuckland, NZ
FibersMerinoOrganic cottonMerinoMerino
MakesSocksTops & tees, Shirts, Pants & skirts, SocksKnitwear, Tops & teesBase layers, Tops & tees, Underwear, Socks, Outerwear
Services————
Min. orderNot statedNot statedNot statedNot stated
CertifiedNone listedNone listedZQ MerinoZQ Merino
NaturalNot 100%. Some blendsNot 100%. Some blendsNot 100%. Some blendsNot 100%. Some blends
Founded20042012——