Absorbent article (1) of panty type, such as a panty-diaper, a hygienic panty or a panty against incontinence, said article having an absorbent unit (3) comprising an absorbent core (2) and a frame (4), said frame (4) comprising a front part (5) and a rear part (6), in which the front and rear parts (5; 6) are joined together along two opposite longitudinal side edges to define an opening of waist and a pair of leg openings, comprising at least one of the front and rear parts (5; 6) an elastic band material (10), said article further comprising (4) a crotch part (7) located between the front part (5) and the rear part (6) in the longitudinal direction of the article, said front part (5) having a length (b1) in the longitudinal direction, said rear part (6) having a length (b3) in the longitudinal direction, and said part (7) having between leg a length (b2) in the longitudinal direction, said absorbent unit (3) being arranged at least in said crotch part (7) and a certain distance being superimposed with respect to both front and rear parts (5; 6), said article having a maximum width (c) in the transverse direction and a maximum length (b) in the longitudinal direction, said article having a longitudinal direction (y) and a transverse direction (x), characterized in that the proportion from the maximum width (c) to the maximum length (b) of the article is between 90% and 110% measured in an extended state of the article, the proportion of the length of the front part (b1) to the maximum width (c) of the article is between 25% and 35%, preferably between 28% and 32%, measured in an extended state of the article, and the proportion of the length of the back (b3) to the maximum width (c) of the article is between 38% and 52%, measured in an extended state of the article.Artículo absorbente (1) de tipo braga, tal como una braga-pañal, una braga higiénica o una braga contra la incontinencia, teniendo dicho artículo una unidad absorbente (3) que comprende un núcleo absorb