Serengeti Pistoia 8298 Sunglasses pair a lightweight nylon frame with mineral, photochromic polarized lenses for clear, glare‑free vision in changing light. Designed for versatile daily wear and driving, they deliver sharp contrast and reliable sun protection. Key attributes: Black | Nylon | Polarized lenses | Photochromic (light‑adaptive) lenses | Spectral Control technology | UV protection | Ultra‑light mineral lenses | Prescription lens compatible (RX available) | Lightweight construction | Rectangular full‑rim frame | Matte black finish | Sporty‑classic silhouette | Dimensions & fit: Lens width: 64 mm | Bridge: 17 mm | Temple length: 130 mm | Overall dimensions: 64 x 17 x 130 mm | Medium fit | Composition & care: Nylon frame | Mineral (glass) lenses