A new demi-jet with a strong point very important: its dimensions allow him to find a place even in the saddle reduced. Studied the size of the new demi-jet 10.7, approved Jet, solve the problem of the space of minimal saddle available on some scooters for the mass market (at the Vespa and the Honda SH 500 Beverly to name a few). To highlight the rear diffuser element is not always present on this type of helmet, which improves breathability, the interior is completely removable, and the weight under the kilogram. The closure is handled by a quick release strap and micrometric adjustment. The interior fabric are fully removable and washable hypoallergenic.