Oakley - Two Face steelPairing O Matter with aluminum was a radical notion but that’s what it takes to sidestep trends. Authentically rooted in surf and skate culture, Oakley went double-barrel with frame materials to create Twoface™, a rare look that pairs lightweight yet durable O Matter® with lower rims of aluminum. It sets you apart from the common crowd with clean lines that keep the look original, and with High Definition Optics® (HDO®), unbeatable clarity and proven protection go along for the ride. Oakley Twoface doubles up on comfort and style while bringing you visionary technology worthy of its metal icons. The look is just plain smooth, and the optics are razor sharp.+ Precision formed aluminum lower orbital and O Matter® upper+ Designed and engineered for medium faces+ Comfort and performance of Three-Point Fit that holds lenses in precise optical alignment+ Durability and all-day comfort of lightweight, stress-resistant O Matter® frame material+ Metal Icon+ Optimized peripheral vision of 6 base lens curvature+ Optical precision and impact resistance meet or exceed Z80.3 optical and basic impact standards+ UV protection of Plutonite® lens material that filters out 100% of UVA/UVB/UVC & harmful blue light up to 400 nmGrey LENSDark Grey base lens tint that won’t distort colors on super bright glacier days.+ Filtercategory: 3+ Transmittance of visible light: 17 %Accessories