Bobster Phoenix OTG Interchangeable Goggles, Black Frame/3 Lenses (Smoked, Amber and Clear) OVER THE GLASS (OTG) TECHNOLOGY: A distinct groove on each side accommodates standard prescription glasses, ensuring a comfortable fit and enabling all to ride in style. The flexible polyurethane frame creates a molded seal over the face, cushioned by a dense layer of sweat-absorbent, neoprene foam INTERCHANGEABLE LENS: Interchangeable lenses can be easily changed out by removing the lens from the eyewear frame and inserting different colored lens into the same frame. The Phoenix comes with 3 lenses: Anti-fog Smoked, Amber, and Clear and a protective carrying case IMPACT RESISTANT UV PROTECTION: Our Polycarbonate lenses are up to 10 times more impact-resistant than plastic or glass lenses and they also provide 100% protection from the sun's harmful UV rays. They are also lightweight, adding to the comfort of your eyewear ANTI FOG LENS COATING: Anti-fog coating provides fog free vision to help see clearly longer MEASUREMENTS: Frame Width - 165mm, Lens Width - 145mm, Lens Height - 62mm