Serengeti Rick SS755003 Sunglasses deliver lightweight, high-clarity performance for everyday use. This model pairs Serengeti’s PhD 2.0 photochromic, polarized lens technology with a slim, rimless silhouette for comfortable all-day wear. Key attributes: Black | Indeterminate | Nylon | Photochromic (light-adjusting) lenses | Polarized lenses | Spectral control for enhanced contrast | Impact-resistant lenses | Grip-embedded temple tips | Lightweight construction | Includes protective case and cleaning cloth | Rimless rectangular shape | Featherweight temple tips and nose pads | Integrated hinge | Dimensions & fit: Medium fit | Composition & care: Frame: Nylon | Lens: PhD 2.0 photochromic, polarized lens (Trivex where specified) | Wipe lenses with a microfiber cloth and mild lens cleaner; store in supplied case when not in use; avoid solvents and prolonged exposure to heat.