Barton Perreira Blackwell BP40115I 53N (MOT/BTG) sunglasses—mid-century inspired acetate frames with a squared silhouette. Designed for everyday sunwear, they combine refined styling with handcrafted build quality. Key attributes: Brown | Havana | Acetate | Square silhouette | Mid-century inspired design | Handcrafted in Japan | Dimensions & fit: Eye size: 53 mm | Bridge: 20 mm | Composition & care: Acetate | Wipe lenses with a microfiber cloth and mild cleaner. Store in a protective case when not in use. Avoid abrasive cleaners and prolonged exposure to heat.