?Specially designed for the best possible peripheral vision. The Line Miner M was created with the purpose of providing the ultimate in peripheral vision in a cylindrical-style design. Oakley were able to pull the goggle in closer to your face than ever before, allowing for incredible downward and side-to-side periphery. Thanks to its medium fit, the Line Miner M is suitable for a wide range of face shapes and pairs perfectly with most helmets.Prizm™ Sapphire Iridium LensPrizm™ lenses adapt to weather conditions and provides optimal colour representation while maximising depth perception and greatly improving visibility. The lenses are injection molded under extreme pressure with impact-resistant Plutonite® to create a precise contour with optically correct geometry and clarity.