MTI Adventurewear Fluid 2.0 Inflatable Belt Pack PFD Life Jacket Comfortable design with mesh back panel is perfect for SUP paddling-offers maximum freedom of movement from belt pack III PFD Inflates in seconds after a firm tug on the ripcord tab; vest style PFD which once inflated needs to be pulled over head Premium Halkey Robert inflation mechanism with indicator; built-in window allows visual confirmation of CO2 cylinder connection and readiness Tapered body-hugging shape and mesh back panel for comfort; zippered flap pocket for gear or back-up CO2 cylinder storage Multi-loop attachment system on waist belt provides easy carry points for essentials; printed fold lines on bladder aid with refolding