A shoe including a sole 1 for absorbing an impact of landing, an upper 2 for wrapping around an instep, and shoelace means 3 for fitting the upper 2 to the instep, the upper 2 including: a main portion 2M covering a medial side surface, a lateral side surface, a toe, the instep and a back surface of a foot; a side edge portion having a plurality of first eyelets H1; a first side panel 51 covering the medial side surface of the foot; and a second side panel 52 covering the lateral side surface of the foot, wherein each side panel includes: a tip portion 53 having a second eyelet H2 which is provided at a tip of the side panel and which the shoelace means passes through and engages with; a bottom portion 54 attached to the main portion and/or the sole; and a middle portion 55 arranged between the tip portion and the bottom portion so as to allow the tip portion to move in the front-back direction of the foot with respect to the bottom portion, wherein with at least one of the side panels, the middle portion 55 can stretch and shrink to increase a length from the tip portion to the bottom portion.