Oliver Peoples Gregory Peck Sun sunglasses pair a timeless, rounded silhouette with photochromic glass lenses that adapt to changing light for everyday wear. Key attributes: Crystal | Blue | Acetate | Photochromic lenses | Crystal (glass) lenses | Universal fit | Acetate frame | Classic rounded silhouette | Iconic Gregory Peck design | Shiny finish | Dimensions & fit: Lens widths: 47 mm, 50 mm | Bridge: 23 mm | Temple: 150 mm | Heights: 43.0 mm, 46.0 mm | Regular fit | Composition & care: Acetate | Crystal | Wipe lenses with a microfiber cloth; store in protective case when not in use.