Design and Details Available in prizm lens technology options Microbag included for storage and lens cleaning Ridgelock lens change system Discreet frame notches at temples provide compatibility with most prescription eyewear Wide 5mm 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 1% protection against UVA / UVB / UVC and harmful blue light up to 4mm Optically correct dual lens with F3 anti-fog coating Glare reduction and tuned light transmission of iridium lens coating (optional) Meets impact requirements based on ANSI Z87.1 and EN 166 standards