The invention relates to a garment, comprising an outer fabric extending over at least a part of the garment and provided with a closable ventilation opening, a closing means for the opening comprising an orientation closing the opening and an orientation leaving clear the opening, a material extending at least over the ventilation opening and provided with at least one ventilation hole, a water barrier at least partly enclosing the at least one ventilation hole, wherein the water barrier lies against the closing means with a bias in the orientation of the closing means closing the opening.