Oakley Men's OO9417-2959 Holbrook XL Square Sunglasses - Prizm Ruby Lenses, Matte Black Camo Frame ? Durability and all-day comfort of lightweight O Matter? frame material ? Three-Point Fit: Comfort and performance that holds lenses in precise optical alignment ? Frame suitable for medium to extra large faces ? Same lens proportions as the original Holbrook, available in a larger size ? Prizm? lenses enhance color, contrast and detail for an optimized experience ? HDPolarized: Minimizes glare via technology that produces a comprehensive, single-layered lens (optional) ? Plutonite lens material offers top UV Protection filtering 100% of all UVA, UVB up to 400nm and some of harmful blue light ? Optimal precision and impact resistance that meet or exceed ANSI Z80.3 optical and impact standards ? HDO Optics for crystal clear vision and impact resistance