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, - 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 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 of the buttocks, a lateral portion of the buttocks, and a portion of the hips; and second portions (2B, 102B, 202B) adapted to cover: a central portion of the buttocks and a lower central portion of the buttocks at the rear fork of the garment; - the rear part (2, 102, 202) comprises an insert (19A, 119A, 219A) connected to its inner face at each of its first portions (2A, 102A, 202A) 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 the 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 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 of the buttocks and the adherence of said two elements to the buttocks when the garment is worn, characterized in that the inserts are dimensioned and shaped such as not to cover a lower central portion of the buttocks at the intergluteal cleft. - a rear part (2, 102, 202) adapted to entirely cover the buttocks with the exception of their upper terminal portion, - 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 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 of the buttocks, a lateral portion of the buttocks, and a portion of the hips; and second portions (2B, 102B, 202B) adapted to cover: a central portion of the buttocks and a lower central portion of the buttocks at the rear fork of the garment; - the rear part (2, 102, 202) comprises an insert (19A, 119A, 219A) connected to its inner face at each of its first portions (2A, 102A, 202A) 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 the 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 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 of the buttocks and the adherence of said two elements to the buttocks when the garment is worn, characterized in that the inserts are dimensioned and shaped such as not to cover a lower central portion of the buttocks at the intergluteal cleft.