The Women"s Warm Up Sunglasses feature polarized lenses with the largest coverage area of any lenses made by Oakley. You get the superior build of O Matter frames, the glare-fighting technology of the polarized lens treatment, and a super-smooth fit. Slide these shades on, dig your toes into a warm, sandy beach, and enjoy the long days of summer. Product FeaturesFrame: O Matter (polycarbonate)Hinge: Lens: Plutonite (polycarbonate)Interchangeable Lens: noPolarized: yesPhotochromic: Base Curve: 8.75Face Size: women-specificFrame Measurements: Case Type: hardNose Pads: yes, UnobtainiumTemple Pads: yes, UnobtainiumRecommended Use: lifestyleManufacturer Warranty: 1 year