Patent attributes
A helmet which performs good ventilation and which is capable of mitigating the uncomfortable feeling due to sound is provided. The shock absorbing liner includes front ventilation holes to communicatively connect the front openings to the inside of the shock absorbing liner, outside air paths disposed in a space on an outer side relative to an inner surface of the shock absorbing liner, and communicative holes to communicatively connect the inside of the shock absorbing liner to the outside air paths. The outside air paths include primary flow paths disposed to be connected to the rear opening and secondary flow paths. The communicative holes communicatively connects positions on an outer surface of the shock absorbing liner except positions of the primary flow paths, to the inside of the shock absorbing liner. The secondary flow paths are disposed to connect the communicative holes to the primary flow paths.
