Abstract: A step-through type vehicle includes: a frame assembly; at least one front wheel and at least one rear wheel connected to the frame assembly and rotated by a power unit; and a plurality of portions comprising one or more flexible portions, and one or more fixed portions. The fixed portions include a front structure, a rear structure, and a top structure disposed between the front structure and the rear structure. The flexible portions include at least one retractable member. The top structure and the retractable member include a plurality of solar panels. The retractable member is detachably attached with the top structure, and is retracted upwardly towards the top structure, and stretched downwardly from the top structure towards the front wheel and the rear wheel. The retractable member is foldably stowed inside at least one box like compartment, which is at least one part of the rear structure.