Retrosuperfuture Bird Sunglasses pair a milled metal frame with mineral tempered glass lenses for crisp optics and lasting wear. They suit everyday sun protection with a refined, contemporary silhouette. Key attributes: Blue | Blue gun | Metal | Mineral tempered glass lenses | Durable milled metal construction | Adjustable acetate temple tips | Oval frame | Full-rim design | Milled metal finish | Dimensions & fit: Lens width: 53 mm | Bridge width: 19 mm | Temple length: 145 mm | One size | Composition & care: Metal frame | Acetate temple tips | Mineral glass lenses