550-fill-power down meets 100g of superior synthetic insulation. The result? Gold 650 Turbodown™! And one of the warmest, softest, and lightest-weight vests that Columbia makes. The Gold 650 Turbodown Vest’s performance-enhanced down insulation delivers supreme heat retention, even when wet, and its premium ripstop shell fabric is water resistant and looks great on—whether layered under a shell or over your favorite fleece.