Smartwool SW016355 M's Classic Thermal Merino Base Layer 1/4 Zip COLOR:BKCS Flexform waistband technology

Flexform waistband technology

Fabric Name: Samba Dia

Additional body-mapped mesh zones for added breathability

• Raglan sleeves for mobility

so go ahead and choose your own adventure

Smartwool SW016355 M's Classic Thermal Merino Base Layer 1/4 Zip COLOR:BKCS Flexform waistband technologyWe'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,