Holbrook is a timeless, classic design fused with modern Oakley technology. Inspired by the screen heroes from the 1940s, 50s, and 60s, this design epitomizes the spirit of exploration and adventure. The iconic American frame design is accented by metal rivets and Oakley icons, perfect for those who seek equal parts performance and style. Lightweight O Matterframe material with Square O metal icon and front rivet accents 6 base lens geometry with HDO® Polarized and Iridium® options available Prescription Lenses Available with Prizmlenses to enhance color, contrast and detail for an optimized experience PRIZMPOLARIZED LENSES Lenses feature the enhanced color and contrast benefits of PrizmLens Technology with the glare-free filtering benefits of Oakley HDPolarized. PRIZM BLACK POLARIZED Light Transmission: 11% Light Conditions: Bright Light Contrast: Increased Base Lens Color: GRAY Information notice : 3