Classic Thermal Merino Base Layer Crew Crew By keeping foot in a

By keeping foot in a slightly flexed position

half sizes should size up

The anatomically formed original BIRKENSTOCK cork-latex soft footbed with built-in permanently elastic latex cushion ensures outstanding comfort that starts on day one

Lightweight lace-up design fits comfortably in the shoe and stabilizes the ankle joint

Tight Calves and Hamstrings

Classic Thermal Merino Base Layer Crew Crew By keeping foot 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,