Serengeti Lupton 2.0 Sunglasses combine an ultra-light rimless frame with PhD™ 2.0 photochromic, polarized lenses for clear, comfortable vision during driving and outdoor activities. Key attributes: Black | TR-90 | Photochromic (PhD™ 2.0) | Polarized | Spectral Control | Hydrophobic and oleophobic coatings | Anti-reflective | Impact-resistant lenses | Grip-embedded temple tips | Rubber nose pads | Integrated hinge | Lightweight construction | Secure fit for active use | Rimless frame | Wrap / rectangular lens shape | 8-base curve | Minimalistic, ultra-lightweight design | Dimensions & fit: Medium to large fit | Composition & care: TR-90 (frame) | Trivex (lenses) | Rubber (temple tips and nose pads)