A DIAPER IS PROVIDED IN A TRANSVERSE MIDDLE OF A CROTCH REGION WITH A PAD SEAT FORMED FROM TOP- AND BACKSHEETS. THE PAD SEAT HAS A PAIR OF EXTENSIONS BIFURCATED FROM A REAR END OF THE PAD SEAT TOWARD RESPECTIVE TAPE FASTENERS. IN THE COURSE OF WEARING THE DIAPER AS WELL AS DURING USE OF THE DIAPER, A TENSILE FORCE FUNCTIONING TO PULL SIDE FLAPS OUTWARD AS VIEWED IN ATRANSVERSE DIRECTION OF THE ARTICLE IS TRANSMITTED TO THE RESPECTIVE EXTENSIONS AND PULLS THE PAD SEAT SO THAT THE PAD SEAT MAY BE TIGHTENED SO AS TO PRESS A PAD LAID IN THE PAD SEAT AGAINST THE WEARER’S SKIN.