Alveo Best lightweight helmet for work at height and rescue. Lightweight helmet with comfort foam that is barely felt on the head. Shock is absorbed by deformation of the expanded polystyrene liner. The CenterFit adjustment system ensures centering and optimal stability of the helmet on the head. Is equipped with side slots for mounting hearing protection, inserts for accepting a VIZIR face shield (sold separately) and a slot for mounting a PIXA headlamp.