A cool head can concentrate better – for this an optimal air circulation is fundamental in hot summer days. But just giving a quick look at the inner honeycomb structure you can easily understand that SEVENTWENTY helmet has a very good ventilation system, letting the cool air flow easily from the outside to the inside. Therefore, the wide holes made with the geometrical pattern provide the best heat dissipation, letting the warmer air flow away from your head surface and preventing sweating. Moreover, the great air ventilation of SEVENTWENTY helmets prevents the wear of the inner padding, so that it does not have to be changed or washed so often.