![Men's Classic Thermal Merino Base Layer Bottom](http://thebearmountain.com/cdn/shop/products/66-646728-6045507-image-1620278_640x640.jpg?v=1656671531)
We've updated our Men's Merino 250 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 heaviest weight wool fabric will help keep you warm and comfortable as you ski, run, and hike the day away.