Protective helmet has a greenhouse - neck to a human head to tail of the horse - -

摘要

A protective helmet is composed of an external cap 16 made of plastic material and of a greenhouse - neck 20 semi - rigid adjustable by means of adjustment. In order to ensure an effective retention of the helmet on the head of the user regardless of its head of hair, the greenhouse - neck 20 is shaped in the form of an omega, composed of lateral zones of the retaining and a central part (26) is curved to the free passage of a hair at the tail - to - horse of the user.