A left-over protivogaz of the classic Warsaw-pact style. Too bad the hose is missing - it really makes the guy wearing it look like an elephant. Haven't seen one ? Check out at http://www.youtube.com/watch?v=EH69KI-DOqg

I remember so well the informational movies we watched when I was a grunt in the Swedish army. Hordes of Red Army infantrymen in clouds of smoke and gas, all wearing these type of gas masks, running among rapidly approaching tanks