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Duckworth Wool vs Mack Weldon: Which Is Better?

We tested both Duckworth Wool and Mack Weldon. Here’s the side-by-side on price, ratings, pros, cons, and our honest verdict on which to buy in 2026.

Duckworth Wool Mack Weldon
Our rating 8.5/10 8.5/10
Price
Best for
Pros
  • Never itchy—addresses the common wool complaint
  • Genuinely odor-resistant (tested 3 days unwashed, worked as advertised)
  • Superior quality from harsh Montana growing conditions
  • 100% US-sourced and made with full supply-chain transparency
  • Moisture-wicking and temperature-regulating across climates
  • Lightweight, highly moisture-wicking AIRKNITx fabric
  • Try On Guarantee—free size/style swap with no return shipping
  • Exceptional durability; reviewer still uses pairs from years ago
  • Silver XT2™ anti-odor technology keeps clothes fresh
  • Growing product range beyond basics (polos, shorts, hoodies)
Cons
  • Premium pricing versus competitors like Smartwool and Icebreaker
  • Expensive—$32 per pair of underwear
  • AIRKNITx boxer briefs aren't the softest available
  • 18-Hour Jersey prioritizes softness over moisture-wicking performance
  • Heavy competition from other men's underwear startups

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→ See the full ranking: The Best Clothing We’ve Tested (2026)