Taking inspirational cues from classic film and music stars, the Oakley OO9417 Holbrook XL sunglasses never look out of place. Prizm lens treatment controls light transmissions for maximized contrast and clarity. Polarized lenses on certain models helps to cut glare; see color name for details. 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. O-Matter frames are formulated for high durability and high flexibility for improved safety during impact. Maintains resistance to ultra-violet radiation, humidity, thermal shock, and chemical exposure. Three-Point Fit system holds lenses in precise optical alignment for supreme comfort and performance. Metal bolt accents on front of frame. Metal Oakley icon accents on side arms. Oakley sunglasses sold by authorized sellers, like Amazon, are eligible for all manufacturer warranties and guarantees. Click on the Oakley link above the product title to shop the entire Oakley sunglass and eyeglass assortment.