REI Flash Insulated Vest

GUC REI Co-op Women's Flash Insulated Vest Size has worn off, but I think it's a medium. Check the measurements. Very lightweight vest, with Primaloft synthetic insulation. Great active layer for spring and fall. 3 outside zip pockets and one interior slip pocket. Cinch drawstring cord at hem to customize fit. Measurements Pit to pit: 20 inches Shoulder to hem: 24 inches