Self-adjusting lumbar support for buoyancy compensator vest

摘要: A buoyancy compensator vest, for providing at various underwater depths, having a rigid back board, supporting an air tank vertically on the rear surface of board diver, surrounded in part by bladder, inflating and deflating, vest panel including pair spaced-apart over-the-shoulder straps projecting from top edge joining with side portions extending about chest waist belt passing behind user's to complete improvement pouch, defined front surfaces openable expose interior thereof, pouch interposed scuba diver's containing cushion placement against spine, openings formed therein allow filling draining water during activities, flexible strap located pre-bowed outward toward arranged so that bow is non-collapsible.