You won’t think twice about going for an extra mile or ride with the Men's Polartec® Baselayer ½-Zip Jacket under your gear. Constructed with midweight fabric for extra warmth, its odor-resistant Polygiene treatment and flatlock seams enhance comfort during long days of wear. Get some air après ski thanks to its half-zip style. Thumbholes keep your hands covered and layering easy, while the tag-free neckline on this pullover jacket reduces irritation. Built-in UPF 50 provides extra protection from the sun.