Dual Eyewear VR1 Sunglasses: +2.5 Power Magnification Metallic Silver Frame with Impact, chemical, and UV damage resistant Grilamid TR-90 frames Available in +1.5, +2.0, or +2.5 spot diopters Eight-base lens curvature for more coverage, better wind protection, and an optimum wrap-around fit Shatterproof and scratch-resistant polycarbonate lenses offer 100% UVA, UVB, and UVC Protection Impact, chemical, and UV damage resistant Grilamid TR-90 frames