The OO9513D CYBR Dyno was made for movement. An expansion of Oakley's rimless sport product line, they feature a unique and futuristic lens shape with a rimless, lightweight O Matter frame that fits a variety of head sizes and optimizes field of view. Alt Iridium lens detailing brings aesthetic appeal while the ventilated design adds function by maximizing airflow. For comfort and durability, CYBR DYNO has ligature nosepads plus lightweight O Matter temples, and no-slip integrated Unobtainium earsocks. To experience enhanced color and contrast everywhere you go, Prizm Lens Technology provides the details. Oakley sunglasses sold by authorized sellers, like Amazon, are eligible for all manufacturer warranties and guarantees. Click on the Oakley link above the product title to shop the entire Oakley sunglass and eyeglass assortment.