A garment for shaping the female buttocks and hips, in particular a sports garment for fitness training, dance or gymnastics, comprising: a rear part (2, 102, 202) adapted to entirely cover the buttocks with the exception of their upper terminal portion (S5), a front part (1, 101, 201) adapted to at least partially cover the abdomen, and a waist part (10, 110, 210) adapted to cover at least said terminal upper portion (S5) of the buttocks, wherein: the rear part (2, 102, 202) comprises two rear elements (9A, 9B; 109A, 109B; 209A, 209B); each of which comprises: first portions (2A, 102A, 202A), adapted to cover: a lower terminal portion (S1) of the buttocks, a lateral portion (S2) of the buttocks, and a portion of the hips; and second portions (2B, 102B, 202B) adapted to cover: a central portion (S3) of the buttocks and a lower central portion of the buttocks at the rear fork (C) of the garment; in which the rear part (2, 102, 202) comprises an insert (19A, 119A, 219A) to increase the elastic modulus and/or tenacity of said first portions (2A, 102A, 202A) relative to the second portions (2B, 102B, 202B) of said rear part (2, 102, 202), and in which two rear elements (9A, 9B; 109A, 109B; 209A, 209B) of the rear part (2, 102, 202) are connected together along respective lateral edges (9F, 109F, 209F) by a central rear seam (16, 116, 216) to be positioned on the intergluteal cleft (S4) of the buttocks; before being sewn together, said lateral edges (9F, 109F, 209F) being of rectilinear shape in plan view, facilitating the insertion of the seam (16, 116, 216) of said edges into the intergluteal cleft (S4) of the buttocks and the adherence of said two elements to the buttocks when the pants are worn.