SevenFriday Sunglasses Rock, SAF3/01. Square Frame: Black matte acetate frame. Matte stainless steel inner rim with anthracite PVD treatment. Inserted stainless steel polished square-cushion shape signature with anthracite PVD treatment. Temple: 145mm. \"7F\" icon logo on each temple has vintage three-spoke. Steering wheel core wire in horizontal brushed stainless steel. Clear light grey polished acetate merges with a black matte acetate temple and temple tip. Red \"7F\" icon logo on the inside left temple. Lenses: CR39 warm grey lenses with blue anti-reflective coating on the inside • Category 3 • 100% UVA/UVB protective lenses. NFC Chip: NFC Chip embedded in the left temple tip allows authenticity verification via the SEVENFRIDAY App and the NFC scanning station. Packaging: Packaged in a collapsible natural cork box with red cleaning cloth.