Men's Classic Thermal Merino Base Layer Crew wnotchthermalls21distance With its reliable performance

With its reliable performance

Activate new levels of comfort

Softness & Comfort: Unlike traditional wool

Luxurious heavyweight sweater

Dual-gussetted tongue

Men's Classic Thermal Merino Base Layer Crew wnotchthermalls21distance With its reliable performanceIntroducing the upgraded Smartwool Men's Classic Thermal Merino Base Layer Crew. Crafted from 100% Merino wool, this fan favorite now features refreshed colors and an improved fit for enhanced performance and style. The new shoulder panels eliminate top shoulder seams, while the flatlock seam construction minimizes chafing. Add this top rated base layer to your winter gear and feel the difference during your next skiing, hiking, climbing, or biking