SevenFriday Sunglasses Insane Bob INS1/03. Double Layer Frame: Layer 1: Stainless steel, industrial flooring tread pattern • Layer 2: Matt stainless steel frame, stainless-steel metal rings around the lenses with matte finishing. Blinders: Foldable & removable blinders with 2-sided light denim, tone on tone blue stitching. Genuine brown leather belts with tone on tone stitching hold the blinders in place. Temple: 141mm • Stainless steel electrical transmission tower with matte finishing • Fluorescent orange acetate temple tips with polished finishing • 7F icon logo on the inside left temple. Lenses: CR39 REVO Mirror lenses colored in Champagne with blue anti- reflective coating on the inside• Category 3• 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.