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M's Merino Sport Boxer Brief

Availability: translation missing: en.general.icons.icon_check_circle icon Hot Seller! Only 3 left! 🔥

If your undies aren’t comfy, you won’t be either. That’s why Smartwool's designed the Men's Merino Sport Boxer Brief with features like a double front panel for extra support, seams that help prevent chafing, and a Merino-covered waistband for interior softness. Plus, of course, the entire brief lets you enjoy the benefits of ZQ-certified Merino wool: moisture management, temperature regulation, and odor control. For a day filled with first-layer comfort—no matter what your adventure holds—pull on a pair of these briefs and get rollin’.


  • Fit: Slim
  • Smartwool's slim fit is intended to follow the contours of the body
  • Fabric combines the moisture management, temperature regulation, and odor resistance of Merino with the durability and quick dry time of recycled polyester
  • Double front panel designed to provide extra support
  • Merino-covered elastic waistband
  • Flatlock seam construction designed to minimize chafing
  • Size medium inseam: 4" (10 cm)
  • 56% Merino Wool, 44% Polyester