This vest is fully loaded for running in cold weather. Zoned insulation holds warmth where you need it and stretchy fleece keeps you moving freely. Designed for running Water-resistant, Glyde fabric Windproof Four-way stretch, breathable tech fleece fabric is water-repellent PrimaLoft insulation is warm, even when wet 700-fill-power goose down provides lightweight warmth 100% of our down is certified to the Responsible Down Standard (RDS) by control Union (No. 847515) Slim fit skims your body, hip length Zippered pockets with a hidden phone sleeve Reflective details