The Holbrook is undoubtedly Oakley's best-selling and most recognized frame, and the Polarized Holbrook Mix Prizm Sunglasses mix in Oakley's most innovative optics for an unrivaled blend of performance and style. Oakley's Prizm technology controls light transmission to maximize contrast and enhance overall visibility in casual settings, and HD Polarized eliminates 100% reflected glare for crystal clarity in super sunny situations. Oakley updated the Holbrook's standard O Matter frame with stainless steel reinforcements for long-lasting durability. Proposition 65 Warning for California Consumers: This product contains chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm.