Smartwool Women's Classic Thermal Merino Base Layer 1/4 Zip Black Size:S Brim stiffener is made with

Brim stiffener is made with NetPlus® 100% recycled fishing nets

It took eight years & a touch of unicorn magic

while new tooling offers increased flexibility

Flatlock seam construction designed to help increase comfort and minimize chafing    Fully functional fly

External Daisy Chain

Smartwool Women's Classic Thermal Merino Base Layer 1/4 Zip Black Size:S Brim stiffener is made withSW016370001 We've updated the fit of our Women'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 one of our best base layers for cold weather, this garment uses 100% responsibly sourced Merino wool, shoulder panels, and a flatlock seam construction to help prevent chafing as well as keep you comfortable and temperature regulated as you enjoy high intensity