Serengeti Lupton 2.0 Sunglasses combine an ultra-light rimless frame with advanced PhD 2.0 lenses for clear, comfortable vision during driving and active use. Key attributes: Black | Indeterminado | Grilamid BTR nylon | Photochromic lenses | Polarized lenses | High UV protection | Lightweight, impact-resistant lenses | Grip-embedded temple tips | Adjustable nose pads | Integrated hinge | Prescription-compatible | Rimless frame | Minimalist profile | Rectangular lens shape | Enhanced temple design | Dimensions & fit: Lens width: 64 mm | Bridge: 18 mm | Temple length: 130 mm | Medium-large fit | Base curve: 8 | Composition & care: Lens: Trivex (PhD 2.0) | Frame: Grilamid BTR nylon