Patent attributes
A helmet for work or sports, including a structure having a substantially convex outer surface and a substantially concave inner surface; a protective body of polystyrene, having a first portion engageable to the inner surface and a second portion having a concavity for receiving the head of a user. The protective body includes: a base element made up of a first material for shock and/or impacts absorption having a predetermined first density value, the base element having a concave surface defining the concavity and a housing cavity facing away with respect to the concave surface; a protective insert made of a second material for shock and/or impact absorption having a second predetermined different density value, preferably lower, than the first density value of the first material, the protective insert being at least partially insertable in the housing cavity.
