Patent ID: 8496638

Claim:
An absorbent article comprising: a chassis including an outer cover comprising an extendable material, a bodyside liner joined to the outer cover in a superimposed relation, the bodyside liner also comprising an extendable material, and an absorbent structure positioned in between the outer cover and the bodyside liner, the chassis including a front region and a back region that define a waist opening therebetween opposite two leg openings; a pair of opposing fastening devices associated with a pair of corresponding elastic side panels, the elastic side panels being joined to opposing longitudinal edges of the chassis adjacent to the waist opening, the fastening devices for securing the article around the waist of a wearer; and wherein the absorbent article defines an elastic waist region that is generally aligned with the elastic side panels, the waist region having a percent elongation that is within 25% of the percent elongation of the elastic side panels when the waist region and the side panels are placed under a lateral force ranging from about 300 g to about 700 g, the waist region having a different elastic modulus than the elastic side panels and wherein the elastic side panels and the waist region each have an elongation of at least 10% when placed under a lateral force of 500 g.