Embrace the vintage look with oakley holbrook™ sunglasses. The square frame shape and key bridge create an iconic style that has been worn by legendary surfers since decades past. This model pays homage to the era's most enduring trends, while offering cutting-edge technology for optimized vision and performance. Crafted in resilient o matter material, these matte black tortoise shades come with prizm sapphire polarized lenses to provide glare-free clarity from any angle. Available with lens contrast enhancement technology. - frame material: o_matter