These safety glasses fit any face structure and over any prescription glasses making them easy to use and handle. The elastic strap helps keeping it in place and assists in easy removability and wearability.These goggles have vent on top and sides to prevent fogging of the goggles while working. Thus making them ideal to use for any laboratory work or field work. These goggles come with a impact resistant lens. Can be used in field work, carpenter workshops, garages, construction sites, etc