Ranked number one frame and 1mm thicknewss lens in the industry Progrip patent no-fog lens combines with the fastest light sensative lens Increased view with more inclined lens to increase the visual field The Progrip 3450-16 Top Line MX Goggle has a wider ventilation area for better airflow Triple-layer face preformed felted foam maximizes comfort and sweat control for superior moisture wicking Precut foam and moulded channels for most eyeglasses Large silicone treated strap to avoid slippage on helmet 100% no-fog and anti-scratch, anti-UV lens and light sensative lens CE-EN approved