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. Discreet frame notches at temples provide compatibility with most prescription eyewear. • Prizm™ Lens Technology - engineered to enhance contrast so you can see more detail in terrain across a variety of light conditions. • Ridgelock Lens Change Technology for completely sealed rimless look and quick lens changing capability • Injection-molded Plutonite® High-Impact lens material provides 100% protection against UVA / UVB / UVC & harmful blue light up to 400nm • Optically correct lens with F3 Anti-fog coating • Outrigger strap attachments for a balanced fit (Race Ready Roll-Off accessory optional) • Triple-layer face foam fleece to wick away sweat • Interchangeable & adjustable 5mm strap with silicone lining for a more secure fit • Engineered to fit securely with most helmets without compromising fit • Discreet frame notches at temples provide compatibility with most prescription eyewear • Includes a stack of 7 perimeter-sealed laminated tear-offs • Includes removable nose guard • Includes microbag for storage and lens cleaning • Meets EN 1938 standard for eyewear protection