Puma SCBAPUMA SCBA is a Cougar SCBA with a tight-fitting hood with a neoprene neck seal and is rated for entry into environments that are Immediately Dangerous to Life or Health (IDLH)No need for spectacle kits - the user can wear normal street glassesAn SCBA designed for hard to fit usersHood is made from Challenge® NXT barrier fabric for excellent permeation resistanceLens is made from 10-mil FEP TeflonFactory-installed silicone nose cup reduces fogging and CO2 build-up in hood