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. water-resistant, glyde™ fabric Water-resistant Windproof Four-way stretch, water-repellent tech fleece fabric is brushed for warmth PrimaLoft® insulation in the collar and shoulders stays warm even when wet Main body is filled with 700-fill-power goose down for lightweight warmth at your core 100% of our down is certified to the Responsible Down Standard (RDS) by Control Union (No. 847515) features Zippered exterior pockets with a hidden phone sleeve