The invention relates to a sole construction for a shoe, comprising an upper sole part, which has channels, a lower outsole part, and an air pumping device, which is connected to the channels and which is substantially formed in the upper sole part. The runner part extends in a longitudinal direction. In one implementation, at least one proximal cell structure in the proximal end portion has one or more struts that have a width andor thickness greater than the width andor thickness of the majority of strut members in the main body and distal end portions of the expandable member. The notification message may be transmitted to a user device separate from the DVR.