Mens Classic Thermal Merino Base Layer 1/4 Zip Harbor The spill-proof nozzle allows for

The spill-proof nozzle allows for easy drinking

The new design blends celebrated legacy design elements with a re-imagined modern flair

synthetic fiber

Taped shoulder seams for comfort and fit retention

Mens Classic Thermal Merino Base Layer 1/4 Zip Harbor The spill-proof nozzle allows forWe've updated the fit of our Men's Merino 250 Base Layer 1 4 Zip to improve functionality while also enhancing aesthetics. As one of our heaviest base layer tops and best base layers for cold weather, this garment uses 100% responsibly sourced Merino wool, shoulder panels, and a flatlock seam construction to help minimize chafing as well as help keep you comfortable and temperature regulated as you enjoy high intensity skiing, hiking, running, and