DESCRIZIONE
The invention relates to a helmet comprising a protective shell. The protective shell consists of an upper part (1) and a lower part (2) extending downwards from the helmet. The upper part is made of a composite material of the sandwich type comprising two skins (12, 13), arranged on either side of a core (11), themselves comprising several layers of composite fabrics. The lower part is made of a composite material of the monolithic type. The invention applies generally to protective helmets and more particularly in the field of aeronautics where the rigid structure makes it possible to fix head equipment directly on the protective shell.