A disposable diaper 1 is provided with a skin-contactable sheet piece 33b above a liquid-pervious topsheet 32. The skin-contactable sheet piece 33b is formed with openings 38, 39 extending in a back-and-forth direction through which body waste is guided toward the topsheet 32 and both lateral zones 40 of the sheet piece 33b on both sides of these openings as viewed in a transverse direction B are provided with elastic members 37 attached under tension. Outside the skin-contactable sheet piece 33b as viewed in the transverse direction B, leak-barriers 58 are provided and the lateral zones 40 of the skin-contactable sheet piece 33b are bonded to the leak-barriers 58 along regions defined between proximal edges and free edges of the respective leak-barriers 58.
