A full slice of style. Nylon frame is light and highly stress resistant. Oakley XYZ optics ensure distortion-free viewing from all angles. Prizm lens technology enhances contrast and visibility over a wide range of light conditions. 3-point fit to ensure precise optical alignment. Rubber inserts on the temples and at the nose pads keep them in place. Grey lens provides 18% visible light transmission. Warm Grey lens provides 10% visible light transmission. 24K Iridium lens provides 13% visible light transmission. Violet Polarized lens provides 14% visible light transmission. Polarized filter is liquid infused within the lens for clarity and no distortion.