Attributes . Over-The-Glass (OTG) Style that Fits Comfortably Over Most Personal Eyewea; Over-the-Glass Design helps Keep Prescription Eyewear Users in Compliance; Can also be Worn by Itself as a Safety Glass; Rimless Frame Design Ensures an Unobstructed View; Adjustable Length Temples Provide the User with a Secure Custom fit; Molded Nose Bridge Design to Fit the Vast Majority of Users; 4 Base Curve Lens; Temple Material : Polycarbonate; Temple Color : Gray . Names