It has a soft and wide PVC casing around the rim to ensure 100% sealing of the eyes against chemical and liquid splashes. It is provided with indirect ventilation slits on both the top and the bottom parts of the rim to allow for air circulation. It has a fully adjustable elastic head- band for a snug fit. Anti-fog coating on the lens. Providing fail-proof protection against liquid and chemical splashes, the ES 008 comes with a unique wrap-around design and a specialized anti- fog lens.