A containment pant includes a chassis having a front waist region, a back waist region, and a crotch region joined between the front waist region and the back waist region. The containment pant includes a sling positioned within the chassis and being joined to the front waist region and the back waist region. The sling includes a fluid-impervious base sheet and a containment flap joined with the base sheet to define a fluid-impervious pouch. The fluid-impervious pouch defines a first end containment flap having a first positioning key.