Abstract: This invention relates to a swimsuit, and this swimsuit consists of a brassiere in the upper part and a shorts type bottom section in the lower part, to the reverse side of the above-mentioned bottom part is sewn a mesh cloth covering the whole area, to the above-mentioned mesh cloth on the reverse side of the front center part of the aforesaid bottom section is sewn a retaining cloth consisting of a vertically elastic mesh cloth, to the reverse side in the lower section behind the aforesaid bottom section is sewn a hip lift cloth, around the leg holes of the above-mentioned bottom part is sewn shirring tapes, and to the reverse side in the lower center behind the aforesaid bottom section is sewn a shirring tape in the vertical direction.