US Patent 10165830 Shoe upper

An upper including: a plurality of panels provided in a medial side portion and/or a lateral side portion, the panels being separated from one another in a longitudinal direction of a foot, covering at least a portion of the side surface of the foot, and being pulled by a fastening member toward a center portion between the medial side and the lateral side of the foot; and a plurality of string-like non-stretchable string portions that are extending in the longitudinal direction, the string portions placed between a pair of the plurality of panels that are adjacent to each other in the longitudinal direction.