Smartwool Men's Classic Thermal Merino Base Layer 1/4 Zip Color:Deep Navy 2% Spandex | 284 GSM

2% Spandex | 284 GSM

30% Polyester

A wide base sits flat and a top strap cinches a yoga mat after morning practice

Center Back Length: 30 3/4" (Size M)

Made with recycled fabric and a solution-dyed backer that reduce water usage and CO2 emissions

Smartwool Men's Classic Thermal Merino Base Layer 1/4 Zip Color:Deep Navy 2% Spandex | 284 GSMWe've updated the fit of our Men's Classic Thermal Merino 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,