Women's Oakley Holbrook Metal - Blue - Sunglasses Oakley takes a classic to the next level with the Holbrook Metal. Lightweight, sheet-metal frame takes durability to the next level. Metal bolt accents on front of frame. Metal Oakley icon accents on side arms. Three-Point Fit system holds lenses in precise optical alignment for supreme comfort and performance. PLUTONITE lenses filters out 100% of harmful UV rays. Six-base lens curvature offers optimized peripheral vision and side protection. Offers the protection and impact resistance that meets ANSI Z87.1 basic impact standards. Glare-reducing Iridium lens coating helps balance light for enhanced clarity.