The Mountain Hardwear Super Power 1/2 zip pullover is made for cold-weather endurance: Polartec Powerdry fleece warms muscles and joints, wicks moisture, breathes well, and dries quickly. This streamlined, 1/2 zip pullover has strategically placed lightweight, high-stretch panels for unfettered twists and turns.Close-fitting, athletic cut with a long-cut back for performanceHighly luminescent reflective print for ultimate visibilityDeep zipper opening at neck for ventilationChest pocket with earpiece cord exitThumb loops keep hands warmFlat-lock seam construction eliminates chafe