Serengeti Rick SS755004 sunglasses combine a lightweight, rimless profile with advanced photochromic and polarized Trivex lenses for clear vision across changing light conditions. Key attributes: Black | Trivex | Photochromic lenses | Polarized lenses | Spectral control | Impact-resistant lenses | Grip-embedded temple tips | Rubber nose pads | Integrated hinge | Lightweight frame | Rimless silhouette | Reduced lens size | Wrap-rectangle shape | Dimensions & fit: Lens width 64mm | Bridge 18mm | Temple 130mm | Medium fit | Composition & care: Lens: Trivex | Frame: TR-90 | Clean lenses with a microfiber cloth; avoid abrasive cleaners and solvents; store in the protective case when not in use.