DSO "PHATTIE" -Black to Clear Faded frame/ Smoke lens - SPECIAL BUY nylon frame polycarbonate lens Frame technology: Frame is made of Grilamid TR-90. Lens technology: Polycarbonate lenses are 40x more impact resistant than glass. 100% protection from harmful UVA and UVB rays. Smoke lens provides natural color viewing and increased protection on sunny days.