Smartwool 250 Merino Baselayer Long Sleeve 1/4 Zip - Men's
When you're out exploring in the Merino 250 Zip Base Layer, nothing's impossible. With next-to-skin Merino, it wicks the sweat away and regulates core temperatures. You can sport it as a solo piece or smartly layer up when it gets chilly. It's slim and breathable fit will keep you looking good and feeling great.