UA Storm technology repels water without sacrificing breathability .ColdGear Reactor adapts to your activity level for the right breathability & warmth for what you're doing .Lofty insulation with a unique quilting pattern that traps heat, but still allows air to flow so you don't feel stifled .Stretch-fleece side & underarm panels allow greater mobility .UA's exclusive MagZip closure clicks & holds together for easy, struggle-free zipping .Warm, secure zip hand pockets & interior chest pocket .Adjustable hem .Chin guard .Packs easily into chest pocket .