- durable and lightweight TR90 polymer plastic frame. - Italian made CR39 polarized lenses made by Divel that offer 100% UVA/UVB rays plus a front side and back side anti-reflective coating - silicone nose pad with internal wire core that adjusts to best bridge size. - silicone pads on the temple tips to add grip behind the ear. - spring hinges for better fit. - custom eyewear retainer strap for an extra secure fit for off road runs and added reflective detailing for night runs. - every pair of the GTGlass is delivered in an impact resistant molded carry case wrapped in recycled PET fabric with clip and Ciele detailing - size: 60|15|145 (lens width/bridge width/temple length). - designed for people who run.