The Smartwool Men's Classic Thermal Merino Base Layer Bottom delivers soft, breathable warmth for skiing, hiking, and cold-weather work. Its slim fit layers easily beneath pants, while merino wool naturally manages moisture, regulates temperature, and resists odors.
- 100% merino wool in an interlock knit for warmth and next-to-skin comfort
- Slim fit follows the body's contours for easy layering
- Merino-lined elastic waistband provides soft, comfortable support
- Flatlock seams help minimize chafing during movement
- Functional fly for everyday convenience