Upgrade your winter wardrobe with the Men's Smartwool Classic Thermal Merino Base Layer Crew. A 100% Merino wool construction offers premium warmth, while enhanced features like shoulder panels and flatlock seams prevent chafing. Stay comfortable and stylish on your next adventure with this functional base layer.

• Fit: Slim
• Flatlock seam construction designed to minimize chafing
• Shoulder panels eliminate top shoulder seams
• Fit updated to improve functionality while enhancing aesthetics
• Works with a body in motion and provides a supportive fit for performance and training Minimal seams to reduce chafing and allow you to work out distraction-free
• 100% Merino wool fabric made with an interlock knit for enhanced comfort, breathability, thermoregulation, and odor resistance
• Knit in Vietnam: 100% Merino Wool