Tom Ford Guillaume Sunglasses update a classic pilot silhouette with modern curved spoilers and a shiny acetate finish for elevated everyday sun protection. The 61 mm lenses deliver full UV coverage in a gradient Roviex tone. Key attributes: Brown | Avana Scura | Roviex Grad | Acetate | 100% UV protection | Full-rim frame | Pilot shape | Curved spoilers | T-logo on front and temples | Shiny acetate finish | Dimensions & fit: 61-12-140 | Composition & care: Acetate | Lens: CR-39 (plastic) | Wipe lenses with a soft cloth and store in the protective case; avoid abrasive cleaners and prolonged exposure to heat.