Oakley Batwolf Sunglasses brings original style and a clean look of Oakley authenticity. They include a continuous lens sliding into a comfortable and light O-Matter frame, made of thermoplastic paste and nylon fibre, incompatible for cleaning with alcohol. Two interchangeable icons are included to change the look in seconds. Oakley designed this frame to fit comfortably on medium to large faces. They include Prizm Sapphire lens providing unprecedented control in light transmission.