ColdGear Reactor Hybrid 1/2 Zip - $50.99

UA Storm technology repels water without sacrificing breathability ColdGear(R) Reactor adapts to your activity level for the right breathability & warmth for what you're doing Lightweight, low-profile insulation embedded between two layers of performance fabric for the ultimate mix of warmth & breathability Welded quilting allows the free flow of insulation for more even distribution Stretchy side, back & underarm panels for better mobility - $50.99