SevenFriday Sunglasses Insane INS2/03. Double Layer Frame: Layer 1: Dark Gun metal stainless-steel frame with matt finishing.• Layer 2: Black acetate with glossy finishing, matte dark gun metal ring around the lenses. Blinders: Foldable & removable blinders with 2-sided brown leather and brown stitching.• Brown leather belts hold the blinders in place. Temple: 141mm. Dark Metal gun colored stainless steel electrical transmission towers with matte finishing. Black acetate temple tips with glossy finishing and gold colored silkscreen writings on the inner temples. 7F icon logo on the inside left temple. Lenses: CR39 colored in dark blue with anti-reflective coating. Category 3. High Grade Solar Sun Lenses. 100% UVA/UVB protective lenses. NFC Chip: 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.