The Smartwool Classic Thermal Merino Base Layer Bottom for Men has been updated to bring you a better fitting, more functional tight. The technical benefits of 100% Merino wool will help you keep your game at a high level for longer. And Smartwool's heaviest weight wool fabric will help keep you warm and comfortable as you ski, run, and hike the day away.

• Material
  • 100% Merino Wool
    • Fabric made with an interlock knit for enhanced comfort, breathability, thermoregulation, and odor resistance
• Fit
  • Slim Fit
  • Fit updated to improve functionality while enhancing aesthetics
  • Merino-covered elastic interior waistband and traditional fly design
  • Size M inseam: 30" (76 cm)
• Details
  • Flatlock seam construction designed to minimize chafing
  • Knit in Vietnam
• Weight
  • Midweight or "winter" base weight, perfect for layering
  • 228 g = 8.04 oz