This modern, fashionable design promotes safety wear in the work environment. The completely metal-free design features duo-spherical lens with high quality anti-fog coating on both the inside and outside. Rimless spectacles offer wide field of vision. Features a unique clip-off frame with interchangeable headband strap. Unique AntiScratch technology coating on outside of lense - with AntiFog Coat technology on the inside! Colour coded arms ensure easy lens identification (image shows smoke lenses).