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BRAND PERFORMANCE
Wool Socks
Darn Tough — 91
A Vermont-based brand built entirely around durability and lifetime use.
All socks are made in the U.S. using responsibly sourced merino wool, and every pair is backed by a true lifetime guarantee.
Materials: ZQ-certified merino wool
Labor: Fully domestic production, direct employment
Longevity: Lifetime replacement guarantee
Where they lose points: Limited formal sustainability reporting and few third-party certifications beyond wool
Voormi — 84
A Colorado brand focused on keeping its supply chain close to home.
Uses regionally sourced wool and works directly with ranchers, which increases traceability and control over materials.
Materials: Colorado-sourced, traceable wool
Labor: Local manufacturing, small-batch production
Longevity: Built for long-term use
Where they lose points: Limited certifications and minimal public reporting
Farm to Feet — 81
A brand built on a fully domestic supply chain from fiber to finished product.
Keeps all production in the U.S., which supports consistent labor standards and product quality.
Materials: U.S.-sourced merino wool
Labor: 100% domestic manufacturing
Longevity: High durability reduces replacement
Where they lose points: Limited transparency beyond U.S. sourcing and no formal repair program
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