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The SmartWool Microweight Boxer Brief harnesses the power of merino wool to give you extreme comfort when you're training hard. Forget about bunching, soggy cotton briefs—these technical underwear use nature's best fabric and mankind's smartest design to keep you feeling good on the trail, at the gym, or just in everyday situations. Merino wool regulates temperature to keep you comfortable, and it has natural odor-resistant properties so the funk doesn't get overwhelming.

  • Merino wool fabric
  • Form-fitting
  • Flatlock seams
  • Working fly

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SmartWool Micro 150 Boxer Brief - Men's

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