Inspired by Oakley’s first true oversized snow goggle, Canopy, the new Flight Tracker has a classic, stylized shape, and an oversized full-rim toric design with an optimized field-of-view in all directions. With large, medium, and small sizes, Flight Tracker will fit a wide variety of faces and is engineered to integrate perfectly with most helmets. Fit: Medium Microbag included for storage and lens cleaning Ridgelock Lens Change System Discreet frame notches at temples provide compatibility with most prescription eyewear Wide 40mm wide adjustable strap with silicone lining for a more secure fit Flexible O Matter® chassis conforms to your face comfortably, even in extreme cold Rimless frame design provides increased visibility and improved helmet compatibility All-day comfort of triple-layer face foam with moisture wicking polar fleece lining Injection-molded Plutonite lens material provides 100% protection against UVA / UVB / UVC & harmful blue light up to 400nm Optically correct Dual Lens with F3 Anti-fog coating Glare reduction and tuned light transmission of Iridium lens coating Meets impact requirements based upon ANSI Z87.1, EN 174, and ISO 18527-1