Balenciaga Turbo D-frame Sunglasses pair a bold D-frame silhouette with sturdy polyamide construction and category 3 lenses for reliable sun protection. Key attributes: Black | Grey | Polyamide | 100% UVA/UVB protection | Lens category 3 | Nylon lenses | Flexible metal hinge | D-frame shape | Metal plate with BB logo on center-front | Brand logo engraved on left top rim | Dimensions & fit: Temple length: 5.12 inch | Bridge length: 0.52 inch | Lens width: 72 mm | Smart fit | Not suitable for optical conversion | Composition & care: Polyamide (frame) | Nylon (lenses)