Leffingwell features a full rim, square lens shape infused with design inspiration taken from the craftsmanship and finishes of surfboards and the lifestyle around surfing. The plant-based BiO-Matter* frame has antique-finished decorative elements and textured temples. The subtle Oakley logo on the temples is designed for those who gravitate toward subtle, elevated design aesthetics. Leffingwell comes with Prizm Lens Technology designed to enhance color and contrast to see more detail across the water and beyond.*BiO-Matter is made from bio-materials having at least 56% bio-based carbon content (representing ratio of castor oil to fossil sources)Specifications and Features: Name: OO9100 Leffingwell Shape: Rectangle Frame material: O_matter Frame color: Crystal Black Lens material: Polycarbonate Lens Technology: Prizm_polarized Lens color: Prizm Deep Water Polarized Lens height: 45