Ray-Ban RB3947 Sunglasses pair a slim geometric silhouette with a lightweight metal frame for a refined, minimalist look. Polarized crystal lenses reduce glare and enhance visual clarity for everyday use. Key attributes: Gray | Silver | Metal | Polarized lenses | Crystal (glass) lenses | Lightweight metal frame | Prescription lens compatible | Geometric frame shape | Narrow profile | Single bridge | Full rim | Minimalist vintage-inspired design | Dimensions & fit: Lens width: 54 mm | Bridge: 18 mm | Temple length: 145 mm | Lens height: 32 mm | Available sizes: 54 mm, 57 mm | Recommended face shape: Oval | Composition & care: Frame: Metal | Temples: Metal | Lenses: Crystal (glass)