Pro Grip 3450 Riot GogglesLight sensitive, clear or multilayered mirrored lenses available Light sensitive lens take less than five seconds to go from clear to smoke and vice versa Features patented no fog lens technology rated the best no fog performance on the market 1mm thick lenses are anti UV and anti scratch Built in tear off pins Double density foam with hydrorepellent and colored velvet Silicone treated strap to fix the strap on helmet Pre cut foam and molded channels