A garment structured to facilitate opening of a container, through the provision of an opening member mounted thereon. A garment includes a closure flap movable between a covering and a non-covering position, wherein the opening device includes a base and an opening member connected to said closure flap and movable therewith into an out of an exposed, operative orientation corresponding to the closure flap being disposed into and out of the covering relation to the pocket. When in the operative orientation, the opening member includes an apertured construction disposed and structured to engage and exert a removing force on a closure of the container, wherein the closure may be in the form of a cap on bottle or other container.