Stearns Sospenders inflatable lifejackets are lightweight and comfortable, allowing freedom of movement while providing maximum buoyancy. This Stearns Sospenders Sportsmans Chest Pack inflates easily via the 16-gram CO2 cylinder, just by pulling the attached lanyard (or inflate by blowing into the oral inflation tube). Made for convenience and comfort, the Sportsmans Chest Pack is constructed of a durable nylon shell with a neoprene back and adjustable head and neck support. It provides a lightweight, comfortable fit with adjustable belt and flexible neoprene back strap. For convenience, the Chest Pack features a plastic coil retractor with a fold-down foam insert for storing flies; it serves as a handy workstation. A zippered chest pocket and handwarmer pocket provide extra storage. Uses rearming kit #0925 for repeated use. This Type V personal flotation device is Coast Guard approved, delivering Type III performance when inflated. Inflatable PFDs are not recommended for non-swimmers; not for use for active watersports activities (skiing, tubing, wakeboarding, white water, or PWC).