MTI Adventurewear Helios 2.0 Inflatable Yoke Style PFD Life Jacket Yoke style inflatable PFD is lightweight and very cool in hot climates Inflates in seconds after a firm tug on the ripcord tab, providing 25 lbs. 9 oz. of minimum buoyancy Built-in window allows visual confirmation of CO2 cylinder connection and readiness Zippered front pocket for CO2 cylinder storage when not in use or keys and essentials when in use Backup oral inflation tube, reflective trim, and tethered whistle for added safety