Industrial safety helmet EVOLite® EN 397 EVOLite® is a breakthrough product that enables workers to achieve a new level of compliance thanks to its unparalleled comfort. It is lightweight, extremely comfortable, and fits a wide range of head shapes and sizes. The harness and shell are truly integrated as one unit to provide the best performance by holding firmly on the head even when completely inverted. It provides enhanced safety and protection when working at heights, in strong winds, or during high levels of activity, such as highway maintenance.