Oliver Peoples Birell Sun offers a clean, square acetate frame designed for everyday versatility. The model pairs classic styling with signature Oliver Peoples details for refined, wearable sunglasses. Key attributes: Black | Acetate | Includes original case, cleaning cloth, certificate of authenticity and guarantee | Square silhouette | Classic shape | Signature breath logo | Dimensions & fit: Lens width: 52 mm | Bridge width: 18 mm | Universal fit | Composition & care: Acetate frame | Wipe lenses with the included cleaning cloth; store in the original case when not in use.