Polarized Step Up Brown Gradient Polarised Medium light. Contrast-boosting tint with smooth transition in shading from darker top to lighter bottom. Specifications: Light Transmission:25% Conditions:medium light Protection Index:2 Neutral / Contrast: Contrast A rectangular eye-shaped design that looks fashion forward with a touch of cat-eyed shape. This is a feminine design of a combination of thin lines along the lens & a broad & textured temples.INTEGRATED TECHNOLOGIESO-MatterA stress-resistant frame material that withstands environmental extremes it is lightweight yet highly durable. Controlled flexibility enhances impact resistance while contributing to the all-day comfort of frames made with this innovative synthetic. Unobtainium®A soft hydrophilic synthetic it increases adhesion when wet to grip better when you perspire. This makes it absolutely ideal for earsocks & nose pads in performance eyewear. Three-Point Fit A patented innovation that ensures the frame makes contact only at the bridge of the nose & the sides of the head. It holds lenses in precise optical alignment with a secure fit that eliminates the pressure points common with frames that hook the ears. Snagless Nose Pads A hassle-free nose pad for womens eyewear this patented innovation is an adjustable design that wont snag or pull your hair. Oakley HDPolarized® Improving safety comfort & performance Oakley HDPolarized lenses filter out 99% of reflected glare without the haze & optical distortion that can come with polarized lenses made with conventional manufacturing techniques.