Oakley Goggles Front Line MX Matte Black Speed w/Clear Rolloff• Available with 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 1% protection against UVA / UVB / UVC&harmful blue light up to 4nm.• Optically correct lens with F3 Anti-fog coating.• Glare reduction and tuned light transmission of Iridium® lens coating (optional).• 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