Fiber Directory

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Buck Mason✕

American basics label known for Pima tees in US-grown Supima cotton, plus slub and hemp tees; some styles knit and sewn at its own Pennsylvania mill.

Ibex✕

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

Darn Tough✕

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

Sunspel✕

English maker of classic T-shirts in Californian Supima cotton and rare Sea Island cotton, handmade at its Long Eaton factory since 1937.

TypeBrandBrandBrandBrand
LocationUnited StatesBoulder, USNorthfield, Vermont, USLong Eaton, GB
FibersCotton · HempMerinoMerinoCotton
MakesTops & tees, Shirts, Pants & skirtsBase layers, Socks, OuterwearSocksTops & tees
Services————
Min. orderNot statedNot statedNot statedNot stated
CertifiedNone listedNone listedNone listedNone listed
NaturalNot 100%. Some blendsNot 100%. Some blendsNot 100%. Some blendsNot 100%. Some blends
Founded201319972004—