Men's Classic Thermal Merino Base Layer Crew Size:3X-Large jersey knit comes in a

jersey knit comes in a long-sleeve silhouette

Because breathable fabric with an ultra-lightweight feel is just the start when it comes to the Railay collection

External stash pocket can fit quick-access items such as a jacket

5mm NEOPRENE bootie with four-way stretch nylon

Men's Classic Thermal Merino Base Layer Crew Size:3X-Large jersey knit comes in aMeet the better than ever Men's Classic Thermal Merino Base Layer Crew. We've updated this 100% Merino wool fan favorite with new colors and a new fit to improve functionality while enhancing aesthetics. Shoulder panels eliminate top shoulder seams and a flatlock seam construction helps prevent chafing. Add one of our best base layers for cold weather to your winter wardrobe and experience the difference the next time you go skiing, hiking, climbing,