Prada PRB55S Sunglasses present a futuristic, mask-shaped metal frame with a distinctive top metal bar, designed for an avant‑garde look that blends geometric lines with minimalist details. Key attributes: Gray | Argento | Metal | Adjustable nose pads | Mask-shaped frame | Metal top bar extending to the temples | Geometric lines with minimalist silhouette | Discreet logo on temple tips | Available with full or bicolour lenses | Dimensions & fit: Lens width: 40 mm | Composition & care: Metal frame | Polyamide lenses | Wipe lenses with a microfiber cloth. Avoid abrasive cleaners and solvents. Store in a protective case when not in use.