The Holbrook features a timeless classic design fused with modern Oakley technology. Inspired by the TV heroes of the 1940s, 50s, and 60s, this design embodies the spirit of exploration and adventure. The iconic American frame design gets accents from metal rivets and Oakley icons, making it perfect for those who seek a balanced blend of performance and style. The frame is made of lightweight O Matter™ material with legendary Square O logo details from metal rivets. It has a curved lens (Base curve 6) with HDO® optics. It is compatible with prescription lenses ranging from +2.00 to -3.00 diopter. The lens transmission is 12%, making it ideal for bright light conditions with enhanced contrast. The base lens color is GRAY.