An absorbent article comprising: a chassis and one or more fully removable fastening members ; the chassis comprising: a topsheet ; a backsheet ; an absorbent core positioned at least partially intermediate the topsheet and the backsheet ; a central lateral axis ; a central longitudinal axis ; a pair of leg cuffs ; a first side edge comprising a first curvilinear portion , wherein the first side edge is positioned on a first side of the central longitudinal axis ; a second side edge comprising a second curvilinear portion , wherein the second side edge is positioned on the second side of the central longitudinal axis ; a first waist edge comprising a first curvilinear portion , wherein the first waist edge is positioned on a first side of the central lateral axis ; a second waist edge comprising a second curvilinear portion , wherein the second waist edge is positioned on a second side of the central lateral axis ; and wherein the chassis has an outer perimeter, and wherein 50% to 95% of the outer perimeter is curvilinear, and wherein only 5% to only 50% of the outer perimeter comprises linear portions; wherein the first curvilinear portion of the first waist edge comprises a first concave portion and a first convex portion both with respect to the central lateral axis , and wherein the second curvilinear portion of the second waist edge comprises a second concave portion and a second convex portion with respect to the central lateral axis ; and characterized in that the first waist edge is substantially symmetrical to the second waist edge about the central lateral axis , and wherein the first side edge is substantially symmetrical to the second side edge about the central longitudinal axis . a topsheet ; a backsheet ; an absorbent core positioned at least partially intermediate the topsheet and the backsheet ; a central lateral axis ; a central longitudinal axis ; a pair of leg cuffs ; a first side edge comprising a first curvilinear portion , wherein the first side edge is positioned on a first side of the central longitudinal axis ; a second side edge comprising a second curvilinear portion , wherein the second side edge is positioned on the second side of the central longitudinal axis ; a first waist edge comprising a first curvilinear portion , wherein the first waist edge is positioned on a first side of the central lateral axis ; a second waist edge comprising a second curvilinear portion , wherein the second waist edge is positioned on a second side of the central lateral axis ; and wherein the chassis has an outer perimeter, and wherein 50% to 95% of the outer perimeter is curvilinear, and wherein only 5% to only 50% of the outer perimeter comprises linear portions; wherein the first curvilinear portion of the first waist edge comprises a first concave portion and a first convex portion both with respect to the central lateral axis , and wherein the second curvilinear portion of the second waist edge comprises a second concave portion and a second convex portion with respect to the central lateral axis ; and characterized in that the first waist edge is substantially symmetrical to the second waist edge about the central lateral axis , and wherein the first side edge is substantially symmetrical to the second side edge about the central longitudinal axis . <EOS>