MIT 150 Convertible A/M Inflatable PFDThe remarkable and exclusive Membrane Inflatable Technology (MIT) and high tenacity nylon face fabric create a comfortable, lightweight, and flexible fit. Swiftly switch between inflation modes with the easy to use inflater cap (included.) The automatic mode deploys when the water soluble inflator dissolves, while the manual mode activates only when you pull the inflation handle. Keep your converter cap within reach in a conveniently designed pocket,