UA Storm technology repels water without sacrificing breathability . PrimaLoft Silver insulation is lightweight, water-resistant, breathable & can be compressed without losing warmth. Strategic 100g body/60g sleeve insulation keeps you warm where you need it, but removes excess bulk. Windproof construction shields you from the elements. ColdGear Infrared technology uses a soft, thermo-conductive inner coating to absorb & retain your own body heat. UA's exclusive MagZip closure clicks & holds together for easy, struggle-free zipping. 4 secure pockets with left chest audio escape. Adjustable cuffs & bungee hem.