Smartwool M’s Thermal Bottom


We’ve updated our Men’s Classic Thermal Merino Base Layer Bottom 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 our warmest-weight wool fabric will help keep you warm and comfortable as you ski, run, and hike the day away.


Our slim fit is intended to follow the contours of the body
100% Merino wool fabric made with an interlock knit for comfort, breathability, thermoregulation and odor resistance
Flatlock seam construction designed to help minimize chafing
Fully functional fly
Merino-lined elastic waistband designed for maximum comfort
Size medium inseam: 30″ (76 cm)
100% Merino Wool. Exclusive of Decoration.

Additional information


Black, Charcoal Heather, Deep Navy


Extra Large, Large, Medium, Small