Smartwool Women's Classic Thermal Merino Base Layer 1/4 Zip Size:M As one of our heaviest

As one of our heaviest base layer tops and one of our best base layers for cold weather

11-Speed Chain

The drawcord adjustment keeps it snug on long trails

The LongArm truck bed extender easily extends the length of any truck bed up to 4 feet

Smartwool Women's Classic Thermal Merino Base Layer 1/4 Zip Size:M As one of our heaviestWe've updated the fit of our Women's Merino 250 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 minimize chafing as well as keep you comfortable and temperature regulated as you enjoy high intensity skiing, hiking, running,