Ending today, REI Outlet offers the Stanley 16-oz. Nesting Vacuum Mug And Water Bottle in Green for $13.73. In-cart, that drops to $8.73. With free shipping, that's $5 under our pickup mention from October and the lowest price we could find now by $13. It includes a 16-oz. vacuum-insulated mug and a 34-oz. plastic bottle, and keeps beverages hot for three hours.