Serengeti Rick Driver sunglasses combine a lightweight, rimless silhouette with PhD 2.0 photochromic and polarized lenses, designed for clear, comfortable vision while driving and daily wear. Key attributes: Matte dark brown | Nylon | Photochromic lenses (PhD 2.0) | Polarized lenses | Spectral control | Impact-resistant lenses | Rubber-gripped temple tips and nose pads | Lightweight construction | Prescription compatible (RX available) | Rimless silhouette | Reduced lens size for a compact fit | Featherweight temples | Dimensions & fit: Lens width: 61 mm | Bridge: 18 mm | Temple/arm: 120 mm | Medium fit | Composition & care: Nylon