Mens Classic Thermal Merino Base Layer Bottom Alpine Lake 5-liter reservoir provides ample hydration

5-liter reservoir provides ample hydration for your afternoon or all-day rides

and is the ideal tool for upholding Leave No Trace ethics in the backcountry

are amazingly comfortable in part thanks to its O-FIT insole

We've updated our Men's Merino 250 Base Layer Bottom to bring you a better fitting

Whether you are camping

Mens Classic Thermal Merino Base Layer Bottom Alpine Lake 5-liter reservoir provides ample hydrationWe'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.