Smartwool Men's Classic Thermal Merino Base Layer Crew Colour:Charcoal Heather during extended endurance sessions is

during extended endurance sessions is also suggested

The surface is smooth and therefore easy to layer

Designed for long days in the alpine that toe the line between running and scrambling

Mountain climbing (2 of 5)

Can hold credit cards and business cards

Smartwool Men's Classic Thermal Merino Base Layer Crew Colour:Charcoal Heather during extended endurance sessions isBase Layer Classic Thermal Merino Made with 100% Merino wool for natural sweat management, odor resistance, and temperature regulation. Description Meet 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.