The Silencer features Snap-Back Interchange lens system. ; Venting. ; Cushinol. ; Cam-Action Hinges. ; Mastoid Temple Grip. ; Anti-Ocular Intrusion System. ; Weight: 0.70 oz. ; Best fits a medium to large profile. ; All lenses offer 100% UV protection ; Sportflex lenses and Optic Gear Kit included. Optic Gear Kit includes : semi-hard case, soft pouch, and sunglass cord. Measurements: ; Temple Length: 122 1 2 mm ; Frame Width: 123 mm ; Lens Height: 33 mm ; Weight: 1 oz ; Lens Width: 58 mm ; Bridge: 5 1 2 mm ; This product may have a manufacturer’s warranty. Please visit the manufacturer’s website or contact us at for full manufacturer warranty details.