Smartwool Men's Classic Thermal Merino Base Layer 1/4 Zip 2026 Charcoal Heather
Heavyweight interlock knit Merino sets the foundation for cold-weather performance, delivering natural temperature regulation, moisture management, and odor resistance. The Smartwool Men’s Classic Thermal Merino Base Layer 1/4 Zip uses 100% responsibly sourced Merino wool, making it one of the brand’s warmest base layer tops for demanding winter conditions.
A slim fit follows the body closely for efficient heat retention and easy layering, while flatlock construction with offset shoulder and side seams minimizes chafing during high-output days. The 10-inch center-front zip adds quick venting when the pace spikes, making the Smartwool Classic Thermal Merino 1/4 Zip a reliable choice for skiing, hiking, running, and other cold-weather pursuits.
Key Features
- Fabric & Construction: Interlock knit, 100% responsibly sourced Merino wool
- Fit: Slim fit designed to follow body contours
- Seams: Flatlock seam construction with offset shoulder and side seams
Additional Features
- Side seams wrap to the front to reduce chafing
Information provided by manufacturer
Original: $76.37
-65%$76.37
$26.73
Description
Heavyweight interlock knit Merino sets the foundation for cold-weather performance, delivering natural temperature regulation, moisture management, and odor resistance. The Smartwool Men’s Classic Thermal Merino Base Layer 1/4 Zip uses 100% responsibly sourced Merino wool, making it one of the brand’s warmest base layer tops for demanding winter conditions.
A slim fit follows the body closely for efficient heat retention and easy layering, while flatlock construction with offset shoulder and side seams minimizes chafing during high-output days. The 10-inch center-front zip adds quick venting when the pace spikes, making the Smartwool Classic Thermal Merino 1/4 Zip a reliable choice for skiing, hiking, running, and other cold-weather pursuits.
Key Features
- Fabric & Construction: Interlock knit, 100% responsibly sourced Merino wool
- Fit: Slim fit designed to follow body contours
- Seams: Flatlock seam construction with offset shoulder and side seams
Additional Features
- Side seams wrap to the front to reduce chafing
Information provided by manufacturer
