SevenFriday Sunglasses The Nerdy, ICN2/02. Frame: Matte gun metal PVD treated stainless steel frame with engraved \"show me don\'t tell me\" Bridge: Spring bridge in gun metal PVD. Frame Material: Polished clear acetate framing the lenses. Applied polished gun metal PVD TV shape signature. Nose Pads: Adjustable silicone pads. Temple: 150mm - Matt gun metal PVD treated stainless steel double wire - Temple tips in clear acetate - Gun metal 7F icon logo welded on both temples. Lenses: WxH: 41.9 x 40.45mm. Features: Frame in connection with the SEVENFRIDAY App,  thanks to a NFC chip embedded in the left side temple tip, allowing secured authentication and registration.  Packaging: Packaged in a collapsible natural cork box with red cleaning cloth.