Columbia Men's Platinum 860 TurboDown Zip Down Vest 100% Nylon Soft, lightweight, and insanely warm, this progressive down vest will keep your core cozy in the coldest conditions nature throws your way Its outfitted with our performance-enhanced down a combination of 60g Omni-Heat synthetic insulation and 800-fill goose down means 860 TD of ultimate lightweight warmth and heat retention, even when wet The premium ripstop shell fabric is water resistant and looks great on, whether layered under a shell or over your favorite fleece