Serengeti Lupton 2.0 combines a rimless, ultra-light frame with advanced PhD 2.0 lenses. Built for driving and active use, it delivers clear, adaptive vision with a secure, non-slip fit. Key attributes: Black | Indeterminate | Nylon | Photochromic lenses (adaptive light) | Polarized | Spectral Control (enhanced contrast) | Hydro- and oleophobic coatings | Anti-fog treatment | UV protection | Grip-embedded temple tips | Non-slip temples | Lightweight construction | Prescription-ready (RX available) | Rimless silhouette | Substantial temple design | Integrated hinge | Rubber nose pads | Dimensions & fit: 64 x 18 x 130 mm | Medium-large fit | Composition & care: Frame: Grilamid / Eco-nylon | Lens: Trivex (PhD 2.0) | Wipe lenses with the supplied microfiber cloth and lens cleaner. Rinse with lukewarm water and mild soap if needed. Store in the protective case and avoid abrasive cleaners or high heat.