The Smartwool Men's Classic Thermal Merino Base Layer Crew delivers soft, breathable warmth for skiing, hiking, and everyday winter wear. Its slim fit layers comfortably beneath jackets, while merino wool naturally manages moisture, regulates temperature, and resists odors.
- 100% merino wool in a 250 g/m² interlock knit for warmth and comfort
- Slim fit follows the body's contours for easy layering
- Offset shoulder and side seams help reduce friction
- Flatlock seam construction helps minimize chafing
- Machine washable on a gentle cycle; tumble dry low
