The Smartwool Men’s Classic Thermal Merino Base Layer Crew is a cold-weather favorite designed for dependable warmth without sacrificing breathability. Soft Merino wool naturally helps regulate temperature, manage moisture and resist odors, keeping you comfortable through long days outside.
Its slim, streamlined fit layers easily under fleece, jackets and winter gear, while thoughtful seam placement helps reduce irritation during skiing, hiking, snowshoeing and other cold-weather adventures.
Features
- 100% Merino wool
- Midweight 250 g/m² interlock knit
- Naturally temperature-regulating, moisture-managing and odor-resistant
- Slim fit designed for easy layering
- Shoulder panels help eliminate top shoulder seams
- Flatlock seam construction helps minimize chafing