Vehicle seat and seat element comprising an ergonomic ventilation system

A seat element comprising a supporting structure, padding resting on the supporting structure and configured to serve as a support for a user, and a ventilation system comprising at least one fan to generate an air flow and at least one duct placing the padding and the fan in communication, wherein the duct is formed of a flexible material and extends from a proximal end at the fan to a distal end, the duct having a plurality of orifices forming fluid inlets or outlets between the proximal end and the distal end,

• wherein a cross-sectional area of the duct decreases from the proximal end to the distal end according to the number of orifices and their respective positions and cross-sectional dimensions so that the air flow has a uniform speed along the duct.