Fiber Directory

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Smartwool✕

Colorado outdoor brand that pioneered merino wool ski socks, making merino socks, base layers and apparel using ZQ-certified merino.

Darn Tough✕

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

Ibex✕

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

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.

TypeBrandBrandBrandBrand
LocationUnited StatesNorthfield, Vermont, USBoulder, USUnited States
FibersMerinoMerinoMerinoMerino
MakesSocks, Base layers, Tops & tees, Pants & skirts, AccessoriesSocksBase layers, Socks, OuterwearTops & tees, Shirts, Pants & skirts, Base layers, Outerwear, Socks, Accessories
Services————
Entry price$$ · Pair of socks $24.00$$ · Pair of socks $24.00$$$ · Base layer top $135$$$ · Base layer top $125
Min. orderNot statedNot statedNot statedNot stated
CertifiedNone listedNone listedNone listedNone listed
NaturalNot 100%. Some blendsNot 100%. Some blendsNot 100%. Some blendsNot 100%. Some blends
Founded199420041997—