BOSS 1843 ACI Optical Frame from BOSS combines an acetate front with lightweight carbon-fibre temples for comfortable, everyday prescription wear. Key attributes: Grey | Havana | Acetate | Lightweight carbon-fibre temples | Flex hinges | Ready for prescription lenses (demonstration lenses included) | Acetate front with Havana end-tips | Metal-effect logo detail | Carbon/acetate temples | Dimensions & fit: Lens: 56 mm | Bridge: 16 mm | Temple length: 150 mm | Composition & care: Front: acetate | Temples: carbon/acetate | Lenses: demonstration lenses | Wipe with a soft microfiber cloth. Avoid abrasive cleaners and chemical solvents. Store in a protective case when not in use.