Oakely Ridge Line M Goggles Fit: Medium Cylindrical lens and low-profile frame design for increased visibility and improved helmet compatibility By flattening the top of the goggle, Ridge Line is designed to provide optimal integration with Oakley helmets Microbag included for storage and lens cleaning Discreet frame notches at temples provide compatibility with most prescription eyewear 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 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 Optically correct Dual Lens with F3 Anti-fog coating Meets impact requirements based on ANSI Z87.1 and EN 166 standards Ridge Line pairs a jumbo cylindrical lens with a low-profile, ultra-sleek frame design for an incredible field of view. We flattened the brow line of the frame to create a seamless integration with Oakley helmets. Ridge Line M is designed for a mid-sized fit. Oakley Oakely Target Line M Goggles