Fit & Design: Three-point fit provides comfort and performance while holding lenses in precise optical alignment Semi-rimless frame durability and all-day comfort of lightweight O Mater(R) frame material Unobtainium(R) nosepades increase grip with perspiration Frame suitable for medium to large faces Optimal precision and impact resistance that meets or exceed ANSI Z80.3 optical and impact standards Technology: Prizm(TM) lenses enhance color, contrast, and detail Optional HDPolarized single-layered lens minimizes glare Plutonite(R) lens material offers top UV protection filtering 100% of all UVA and UVB up to 400 nm and some harmful blue light Iridium(R) lens coating reduces glare and tuned light transmission HDO(R) Optics for crystal clear vision and impact resistance Additional Details: Limited Lifetime Warranty coverage against defects in manufacturing materials and/or workmanship California Proposition 65