Prada PR B23S Sunglasses combine a mask-style silhouette with a ventilation system and rubber nose inserts for stable, comfortable wear. Designed for sporty everyday use, they balance coverage with refined geometric lines. Key attributes: Brown | Acetate | Ventilation system in lens piece | Rubber nose inserts for added stability | Mask-shaped frame | Square geometric silhouette | Full-rim frame | Dimensions & fit: Lens width 54 mm | Bridge 20 mm | Lens height 44 mm | Temple 145 mm | Size M (54-20) | Composition & care: Frame: Acetate | Clean lenses with a microfiber cloth. Store in protective case when not in use.