Conforms to EN 166 1F 349. 9301-626 Comfortable, ergonomically designed full vision goggle with unrestricted side visibility provided by 180Ã¸ panorama lens. Soft face and nose cushioning enables totally airtight and pressure-free fit. Exceptional wearer comfort guaranteed by unrivalled design, broad and fully adjustable headband, sophisticated ventilation system and optional anti-fog lens. Easily replaceable lens.