Looks like a WWII US Oxygen Tank B-24 B-25 B-17 Bomber Breathing Tank. I can't supply the link, but it looks like it has been modified to be a float. : r/thisisthatthing
Lurking Class by Sketchy Tank Black Bomber Jacket | Zumiez
Bomber Tank android iOS apk download for free-TapTap
MA-1 Men's Jackets Green Military Flight Bomber Tank Coat – Martboutique
Tank Bomber 7080-DW
Dive Bomber and Tank, 1940. by José Clemente Orozco