The Smartwool Men's Classic Thermal Merino Colorblock Crew is a premium base layer top crafted from 100% merino wool, designed to keep you comfortable and dry during winter adventures. Its interlock knit construction delivers unmatched breathability, thermoregulation, and odor resistance for all-day freshness.

Whether you're hitting the trails for a brisk hike or carving fresh tracks on the slopes, this base layer's slim fit and flatlock seams allow unrestricted mobility while minimizing chafing. Stay warm and stylish with the colorblock pattern and crew neckline that pairs effortlessly with your outdoor wardrobe. Experience the difference of Smartwool's signature merino wool comfort.

Material: 100% Merino Wool for natural temperature regulation
Design: Interlock knit for enhanced breathability and stretch
Construction: Flatlock seams minimize chafing
Fit: Slim fit layers easily under mid-layers
Style: Colorblock pattern with crew neckline
Activity: Ideal for winter hiking, running, and skiing

Smartwool

Mens Classic Thermal Merino Colorblock Crew Base Layer Top

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