Smartwool Mens Merino 250 Base Layer Bottoms

Color: Black
Notify Me When Available

Smartwool's Men's Merino 250 Base Layers Bottoms are the perfect combination of fit and function. The technical benefits of 100% Merino wool, like breathability and thermoregulation, will help you keep your game at a high level for longer. And since it's made with Smartwool's warmest Merino wool fabric it's the perfect choice to keep you going as you ski, run, and hike the day away.


  • Slim fit
  • Interlock knit for enhanced comfort, breathability, thermoregulation, and odor resistance
  • Fit updated to improve functionality while enhancing aesthetics
  • Merino-covered elastic waistband and traditional fly design
  • Flatlock seam construction designed to minimize chafing
  • Size M inseam: 30" (76 cm)

Customer Reviews

Based on 1 review
D. (Minneapolis, MN)
Smartwool is the best!

I used to think of Smartwool only for socks until I tried their base layers. I used these under light pants on a walk when it was -18 and they kept me toasty warm. Awesome!