A supplied air helmet 10 that has a visor 14 and a face seal 16. The face seal 16 is secured to the visor 14 and includes a sealing member 18 that comprises a knitted fabric. The knitted fabric is disposed on the face seal 16 in a location where the face seal 16 makes contact with a wearer's face. The use of a knitted fabric for the face seal 16 makes the supplied air helmet 10 more comfortable to wear and makes it more likely that helmet wearers will consistently use the face seal 16 while donning the supplied air helmet 10.

 
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