US COAST GUARD-APPROVED TYPE II PERSONAL FLOTATION DEVICE (PFD): This type 2 life jacket is designed to turn the wearer face-up in water. The life vest inflates automatically upon water immersion via a replaceable CO2 cylinder (includes 1 cylinder with purchase) or manually with a pull of the “jerk to inflate” cord or back-up oral inflation tube. Designed for commercial fisherman in mind this vest brings superior safety and performance to the recreational water enthusiast.