Smartwool 250 Baselayer Zip-T - Men's Chums providing breathable protection from the

providing breathable protection from the elements

Stop blisters before they start with moleskin

a serving of apple and cinnamon granola is always comforting

or boating

Bright color makes it easy to find

Smartwool 250 Baselayer Zip-T - Men's Chums providing breathable protection from theDescription Features & Specs Size Chart Smartwool has updated the fit of their Men's Merino 250 Base Layer 1 4 Zip to improve functionality while also enhancing aesthetics. 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 help keep you comfortable and temperature regulated as you