This is a set of two "M Frame" sunglasses, a pure sports glass representing Oakley. One has a normal lens with ventilation. The other has a polarized lens without ventilation. Both the frames and lenses are genuine Oakley products. Lens shape: Sweep Lens width (max): 139mm; Lens height (max): 48mm Made in the USA Lens replacement model. There are 5 sizes of lenses for the M Frame. This Sweep lens is the third largest size. The one with ventilation has many scratches on the lens. It is a used item, but there is no problem with use. Disinfected and cleaned. No pets, no smoking.