Zone3 Vapour Photochromatic Swim GogglesZone3 Vapour Photochromatic Swim Goggles. Comfort or vision and functionality, indoors or outdoors, these used to be a question that you had to ask yourself when buying new goggles. The Zone3 Vapour goggles have been designed to meet all of your needs, no more choosing or compromising. Photochromatic lenses automatically darken in brighter conditions and remain clear in low light conditions. Ultra soft silicon gaskets. Anti Fog treated lenses and 100%