Reactive Photochromic Lens Aviator style Retro Pilot Goggles Classic ANTI FOG Goggles with reactive lenses Go from Clear to Dark depending on the brightness of the sun High quality goggles with a distinctive low profile shape. They are made from a durable and long lasting black leather like material.  The classic looking goggles have foam padding for comfort and are ideal for open face helmets with a curved body and frame for wide peripheral vision.  They creates a distinctive look with any open face helmet with a non slip elastic strap that is large so as to fit over your helmet.  They are made for the America market & these meet the stringent ANSI Z87.1+ American safety eyewear requirement. "ANSI Z87.1 classifies eye protection as impact- or non-impact-rated. Impact-rated eye protection must pass certain high-mass and high-velocity tests, and provide eye protection from the side. Impact-rated eye protection will have a plus symbol (+). Impact-rated flat lenses, for instance, will be marked “Z87+.” Also available Dark AND Clear lenses. Reactive Photochromic Lens Aviator style Retro Pilot Goggles