Smartwool | Classic Thermal Merino Base Layer 1/4 Zip | Women's | Twilight Blue/Mtn Scape Size:L Featuring the signature OOfoam™ technology

Featuring the signature OOfoam™ technology

Paired with the always reliable versatility of our Totally Tubular™ and designed with stylish prints

Thumbholes

zip and slide pockets

Smartwool | Classic Thermal Merino Base Layer 1/4 Zip | Women's | Twilight Blue/Mtn Scape Size:L Featuring the signature OOfoam™ technologySmartwool's new and improved Women's Classic Thermal Merino Base Layer Pattern 1 4 Zip is here to bring you a better feeling, better performing, and better looking garment. As one of their 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 keep you comfortable and temperature regulated as you enjoy