Serengeti Lupton 2.0 Sunglasses combine an ultra-light rimless frame with PhD 2.0 photochromic, polarized lenses to deliver clear, glare-free vision across changing light—perfect for driving and active use. Key attributes: Matte Crystal Black | Nylon | Photochromic (PhD 2.0) lenses | Polarized | Spectral Control (blue light reduction) | 100% UV protection | Impact-resistant Trivex lens material | Hydro- and oleophobic front coatings | Durable backside anti-fog treatment | Lightweight | Grip-embedded temple tips | Integrated hinge | Rubber nose pads for secure fit | Flexible, durable frame | No RX availability for this model | Fully rimless construction | Minimalist silhouette | Medium-large lens shape | Matte finish | Dimensions & fit: Lens width 64 mm | Bridge 18 mm | Temple length 130 mm | Base curve 8 | Medium-large fit | Composition & care: Frame: Nylon (Grilamid BTR) | Lens: Trivex (PhD 2.0)