Popular Brand found @ Nordstrom‼️ It’s our smartest insulation ever. No, really. It’s designed to trap in heat on the coldest days, but then circulate it away from your body if you start to feel too warm, so you never overheat. Brilliant. Loose: Generous, more relaxed fit. ColdGear® Reactor is intelligent insulation that adapts to your activity level for the right breathability & warmth for what you're doing UA Storm technology repels water without sacrificing breathability Windproof materials & construction shield you from the elements Lightweight, water-resistant, quick-drying performance Lofty insulation with a unique quilting pattern that traps warmth, but still allows air to flow so you don't feel overheated