The Oakley M Frame Heater Clear Shield Replacement Lenses are specifically designed for the Oakley M Frame model, featuring HDO - High Definition Optics technology for enhanced clarity and impact resistance. Made from Plutonite material, these lenses are clear in color and come in a size of 04-30-99. With a lighted feature and manufactured in the United States, these replacement lenses are perfect for men looking to maintain the style and performance of their Oakley M Frame sunglasses.