This model is CE EN397 approved and which is designed with 6 ventilated holes, so it’s a good choice for summer or hot areas. The ventilation helmet has three channel reinforcing rib to ensure that the shell does not sag or deform after hitting. There is crimping gutter around the brim for water diversion. 6 point suspension expands the contact area of the head to provide users with a more comfortable wearing experience. The design of this safety helmet with ventilation holes also provides a rain gutter, making it well suited to applications in exposed environments.