In skiing and snowboarding, taking the fall line refers to the line down a mountain that is most directly downhill - inspiring the cylindrical lens styling of this model. Fall Line is inspired by Line Miner and fusing the large field of view from a rimless goggle. With a mid-sized fit, Fall Line M 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. Available in Prizm Lens Technology options Fit: Large Microbag included for storage and lens cleaning Ridgelock Lens Change System Discreet frame notches at temples provide compatibility with most prescription eyewear Wide 50mm 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 &