Start from the bottom.

When you head out for an adventure, you build your outfit starting with the most important piece—the underwear. The Smartwool Men's Merino 150 Printed Boxer Brief is the foundation you need to stay comfortable throughout the entire day, whether it takes you through multiple airports or over a gnarly trail full of loose rocks and scramble-worthy boulders. Smartwool added a nylon core to the merino wool, striking a magical balance of durability and exquisite softness to keep you moving in luxury no matter how hard you're slumming it externally.

  • Boxer briefs for going wherever your adventure takes you
  • Merino wool is soft, breathable, and naturally resists odors
  • Nylon core extends the lifespan
  • Fully functional fly for minimal hassle
  • Flatlock seams reduce chafing
  • Reviews
  • Q & A

Great Boxers

    Bought these for my boyfriend and he loves them. They kept him comfortable and cool even in the Costa Rican jungle heat.

    Fit & Features

    Learn more about the fit, features, and benefits of Smartwool Merino 150 Men's Boxer Briefs. #gofarfeelgood