Meet your athletic goal in the Pivlock Overdrive from Smith Optics. ; Grilamid TR90 frames for long lasting, durable wear. ; Interchangeable Carbonic TLT (Tapered Lens Technology) corrects visual distortion by progressively tapering the lens from the optical center towards the outer edges. ; Nine-base lens curve. ; Two position adjustable nose pads for a perfect fit. ; Slide-on temple tips for a perfect, comfortable fit. ; A medium fit with large coverage. ; Smith Optics logos at temple. ; Comes with zip close hard case and two extra sets of lenses: clear and copper. ; Imported. ; This product may have a manufacturer's warranty. Please visit the manufacturer's website or contact us at for full manufacturer warranty details.