uvex super OTG 9169-081 fit-over glasses - Hingeless fit-over glasses - Black frame with gray lens - Anti-scratch coating (optidur NCH coating) - Lenses coated with uvex optidur NCH are very scratch-resistant and are also very resistant to chemicals. The lacquer system has nanotechnology, which significantly increases the non-stick properties of the lens, making the lens easier to clean and therefore water-based stains and oil stains are easily removed - Soft cushions behind the ears for a comfortable fit - Fits over most prescription glasses - The material of the temples changes from hard to soft material for even more comfort - Maximum wearing comfort - These glasses are 100% metal-free - Polycarbonate lens - Weight: 37 grams - Lens marking: 5-2.5 W 1 F CE