Serengeti Lupton 2.0 is a lightweight, rimless sunglass designed for driving and active use. It pairs PhD 2.0 photochromic, polarized lenses with a featherweight, secure frame for clear vision in changing light. Key attributes: Black | Nylon | Photochromic lenses (PhD 2.0) | Polarized | Spectral Control (reduced blue light) | 100% UV protection | Impact-resistant Trivex lens | Oleophobic and hydrophobic coatings | Grip-embedded temple tips | Rubberized nose pads | Lightweight, flexible frame | Integrated hinge | Fully rimless frame | Minimalistic silhouette | More substantial temple design | Dimensions & fit: 64 x 18 x 130 mm (lens x bridge x temple) | Medium-large fit | Composition & care: Nylon (Grilamid BTR) frame | Trivex (PhD 2.0) lens | Clean lenses with a microfiber cloth and lens cleaner; avoid abrasive materials and chemicals. Store in the protective case when not in use.