Oakley Holbrook Sunglasses (Prizm Dark Golf Lens) The Oakley 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 performance and style in equal measures. FEATURES AT A GLANCE Lightweight O Matter™ frame material with Square O metal icon and front rivet accents 6 base lens geometry with HDO® Increase of 11% In Light Transmission Ideal For Use In Bright Light Conditions Enhanced Contrast