Interlock-knit fabric made from 100% Merino wool delivers consistent warmth, moisture management, and natural odor resistance for cold-weather layering. The Smartwool Men’s Classic Thermal 250g Merino Baselayer Crew Top uses a slim, body-following fit that stays close without restricting movement, creating a clean interface under shells and midlayers.

Updated patterning removes top shoulder seams through articulated shoulder panels, reducing pressure points when carrying a pack. Flatlock seam construction with offset shoulder and side seams minimizes chafing, while side seams that wrap toward the front improve comfort and mobility during long ski days or high-output pursuits. From Smartwool, the Classic Thermal 250g Merino Baselayer Crew Top is a refined cold-weather essential built for consistent performance.

Key Features

• Fabric & Construction: 100% Merino wool with interlock knit
• Fit: Slim fit designed to follow body contours
• Seams: Flatlock seam construction with offset shoulder and side seams

Additional Features

• Shoulder panels eliminate top shoulder seams to reduce chafing
• Side seams wrap to the front for improved comfort and mobility

Information provided by manufacturer