The Men’s Alpine Polartec® 100 ½-Zip Jacket checks all the boxes for the perfect cold-weather mid layer. Lightweight, breathable and with an impressive warmth-to-weight ratio, this jacket can layer under a ski shell, rain jacket or as a stand alone piece. As one of our Circular Design Styles, solid color options are made from sustainably-conscious materials and recyclable when you get it back to us.