Serengeti Rick Sunglasses pair the brand’s advanced PhD 2.0 photochromic, polarized lenses with a lightweight rimless design for clear, comfortable vision across changing light conditions. Key attributes: Black | PhD 2.0 photochromic lenses | Polarized lenses (555nm) | Spectral control | Impact-resistant lenses | Base curve 8 | Rubber-grip temple tips | Integrated nose pads | Prescription-compatible (RX available) | Rimless silhouette | Featherweight frame | Reduced lens size for a smaller fit | Minimalist temples | Dimensions & fit: Medium fit