Siphon, inspired by Oakley Carbon Prime, is a lightweight O Matter™ frame that combines modern high-wrap styling with a classic silhouette in a design of sculptural sophistication.• Durability and all-day comfort of lightweight O Matter™ frame material• No-slip Unobtainium™ earsocks; increase grip with perspiration• Three-Point Fit: Comfort and performance that holds lenses in precise optical alignment• Frame suitable for medium to large faces• 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• Glare reduction and tuned light transmission of Iridium™ lens coating• 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• Available with Oakley™ Authentic prescription lenses