The unique system helmet with lower mask  is approx. 10 mm thick and weighs 1.5 kg. The lower mask is linked to a hose system, which regulates the air supply through breathing holes on the helmet. Except for the punched eye holes, there is no connection to the outside world. The lower mask is closed with zip, which is underlaid with a hair protection, the latex helmet with lacing. The mask system is firmly connected and not separately available. 

*Reconditioned