Skip Navigation Website Accessibility

Smartwool Men's PhD® Light Bottom


Add to Cart


For high-performance baselayers that move like you do, we created the PhD® Light bottom. Made with our PhD® fabric for ultimate temperature regulation, moisture management and shape retention, these bottoms use the best of our body mapped technology to place materials where they help you perform your best. No-chafe seaming helps you stay comfortable on the move.


  • PhD®: Built for Performance in the Highest Degree
  • Light: Lightweight Merino blend provides stretch and recovery, breathability and quick drying
  • Semi-form fit - Mid rise
  • Warmer Merino/polyester blend helps fabric moves moisture, dry quickly, and maintain its shape in high-sweat activities in colder weather
  • Minimal Merrow seam construction provides superior durability and is soft against skin
  • Covered elastic waistband and traditional fly design

Technical Details

  • Size M inseam: 30IN (78 cm)
  • Knit in Vietnam: Body: 56% Merino Wool, 44% Polyester; Mesh: 54% Merino Wool, 46% Polyester