A disposable absorbent article that includes a chassis having a front region with a front edge, a rear region with a back edge, a crotch region between the front region and the rear region, and a pair of opposing longitudinal edges (12a, 12b), the chassis comprising an absorbent core having front and back edges (428, 528), said disposable absorbent article comprising: a) first and second elastically elongatable ears (42, 42'), each of said first and second ears having upper and lower edges (43c, 43d, 142, 242) and a transverse axis (Te), as defined in the description, each of said upper and lower edges (43c,d) having proximal and distal ends (1142, 1242, 2142, 2242, 1142, 1242, 2142, 2242'), said first and second ears defining a back section of said absorbent article that is present between said back edge of said chassis and a line (A-A) connecting the respective lower ends (1242, 1242') of the lower edge (43d, 242) of said first and second ears, and b) first and second fastening tabs (52, 52') respectively connected said first and second elastically elongatable ears (42, 42'), each of said first and second fastening tabs having upper and lower edges (152, 252, 152', 252') and a transverse axis (Tf), as defined in the description, each of said upper and lower edges having a proximal end (1152, 1252, 1152', 1252'), characterized in that said back section of said absorbent article includes a portion of said absorbent core having an average caliper of less than 1.5 mm as measured according to the method in the description, wherein the back section of the absorbent article has an Average Caliper Differential of between 0.1 mm and 1.25 mm, as measured according to the method in the description, and wherein said first and second elastically elongatable ears (42, 42') are connected to said chassis such that the transverse axis (Tf) of each of said first and second fastening tab (52, 52') is disposed between said back edge of the chassis and said back edge of said absorbent core, wherein the transverse axis (Tf) of the fastening tab (52, 52') is offset relative to the transverse axis (Te) of the elongatable ear (42, 42') and wherein the back ears (42, 42') are connected to the chassis such that the longitudinal distance between the transverse axis (Te) of the elongatable back ear (42, 42') and the back edge of the absorbent core is less than 50 mm. a) first and second elastically elongatable ears (42, 42'), each of said first and second ears having upper and lower edges (43c, 43d, 142, 242) and a transverse axis (Te), as defined in the description, each of said upper and lower edges (43c,d) having proximal and distal ends (1142, 1242, 2142, 2242, 1142, 1242, 2142, 2242'), said first and second ears defining a back section of said absorbent article that is present between said back edge of said chassis and a line (A-A) connecting the respective lower ends (1242, 1242') of the lower edge (43d, 242) of said first and second ears, and b) first and second fastening tabs (52, 52') respectively connected said first and second elastically elongatable ears (42, 42'), each of said first and second fastening tabs having upper and lower edges (152, 252, 152', 252') and a transverse axis (Tf), as defined in the description, each of said upper and lower edges having a proximal end (1152, 1252, 1152', 1252'), characterized in that said back section of said absorbent article includes a portion of said absorbent core having an average caliper of less than 1.5 mm as measured according to the method in the description, wherein the back section of the absorbent article has an Average Caliper Differential of between 0.1 mm and 1.25 mm, as measured according to the method in the description, and wherein said first and second elastically elongatable ears (42, 42') are connected to said chassis such that the transverse axis (Tf) of each of said first and second fastening tab (52, 52') is disposed between said back edge of the chassis and said back edge of said absorbent core, wherein the transverse axis (Tf) of the fastening tab (52, 52') is offset relative to the transverse axis (Te) of the elongatable ear (42, 42') and wherein the back ears (42, 42') are connected to the chassis such that the longitudinal distance between the transverse axis (Te) of the elongatable back ear (42, 42') and the back edge of the absorbent core is less than 50 mm.