Abstract: Panties, briefs or like undergarment comprises a front piece 2 for covering the lower abdomen, a rear piece 3 chiefly for covering the buttocks, and a connector piece 4 connecting the front piece 2 to the rear piece 3 for covering the crotch. The front piece 2 has a projection extending outward from each of its upper opposite side portions. The rear piece 3 has a projection extending outward from each of its upper opposite side portions obliquely upward and an upper edge 35 curved inward most greatly on the center line of the rear piece 3. The front piece 2 and the rear piece 3 are stitched together at the opposed ends 24 and 34 of their projections 21 and 31.