Stretchable absorbent undergarment

A stretchable undergarment (26) comprises a liquid-pervious bodyside layer (4), liquid-impervious outer layer (10), an absorbent layer (8), and a stretchable layer (6). The stretchable layer (6) is stretch-bonded to the other layers and, upon relaxing the stretchable layer (6), forms a plurality of rugosities (14,19) in the bodyside layer (4), outer layer (10), and absorbent medium (8). The bonded layers are of a generally trapezoidal shape and have a front end portion (28) that diverges toward a rear end portion (32), wherein the front end portion (28) is from about 20% to about 90% of the width of the rear end portion (32), and the rear end portion (32) is about 20% to about 60% of the length of the bonded layers.