- The X-Eye is Hakkotsu's flagship eye protection goggle; they were designed BY Airsoft players FOR Airsoft players, as evidenced by the panoramic view and scratch-resistant, impact-resistant lens - High-impact shatter resistant PolyCarbonate lens and an ultra high strength polymer composite frame for maximum eye protection when you need it the most. We recommend using these goggles in Airsoft games with FPS limits of 400 FPS or less. - A specially formulated scratch resistant polymer bonded coating has been applied directly onto the lens to ensure durability - Advanced lens & frame design with slotted lens positioning allows for enhanced airflow - Extra wide field of view with ultra ComforFit straps that are adjustable; comfortable fit even when wearing a helmet - Quality manufactured by renowned manufacturer Hakkotsu In the Box Specifications: California Proposition 65 Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov