Compared to tear-offs, this Race Ready 5mm Roll-Off configuration (with 2 rolls of film) provides more clearings in extreme track conditions, and the view is wide open with the tallest roll-off film available in market. Front Line MX is the latest addition to Oakley's High Impact line of goggles. With a Large to medium sized fit, Front Line MX is optimized for a wide variety of faces and is engineered to fit perfectly with most helmets. Designed with Oakley's Ridgelock Technology, changing lenses is quick and easy while still allowing for a complete lens seal to prevent harsh conditions from penetrating into your goggle. Available with Prizm MX lenses, which help you see subtle transitions in dirt conditions so you can master all those split-second decisions and boost rider confidence.