Where style, comfort, and performance merge into a visual enhancing masterpiece, the Native Eyewear Itso is the only outdoor frame you'll need! ; Rhyno-Tuff air frames with side venting for optimal air flow and elimination of condensation that causes foggy lenses. Easy-to-use Single Snap-Back interchangeable lens system. Cushinol nose pieces for a secure, comfortable fit. Cam-action hinges. Mastoid Temple Grip keeps the frames secure. N3 state-of-the-art lenses. Imported. Measurements: ; Temple Length: 120 mm ; Frame Width: 140 mm ; Lens Height: 39 mm ; Weight: 0.98 oz ; Lens Width: 61 mm ; Bridge: 14 mm ; This product may have a manufacturer's warranty. Please visit the manufacturer's website or contact us at for full manufacturer warranty details.