With Upper googles/ lower Mask,The goggles do not cover the nose but have a removable covered set ofvents ( if needed). Inside of the mask You breath in to the lower portion,so there is no vapor in the goggles : ) The lower mask is sealed to the goggles by a flexible surface on the outside front of the goggles. There is a set of vents on the lower part of the mask which can easily be sealed, if you choose, so that air would come in from the rear. Transparent disposable stick on lens covers ( 2) are supplied for the goggles.I can't rate durability but they appear to be well designed and made, so I am optimistic about the durability
Rating:
[5 of 5 Stars!]