Low-bulk, closely-fitting disposable absorbent pant for children

A disposable absorbent pant adapted to snugly fit an infant or child weighing 75 pounds (34 kg) or less without tearing or separating at seams or other unions of components, having a front waist region, a rear waist region, a crotch region, a waist opening and a pair of leg openings, comprising:

• an absorbent chassis comprising a liquid permeable topsheet, a liquid impermeable backsheet and an absorbent core disposed therebetween, the chassis having forward and rearward ends each attached to a belt;
• the belt comprising front and rear belt portions defining front and rear waist edges that form a waist opening edge, and left and right leg opening edges;
• the belt having a relaxed lateral size and a stretched lateral size that is at least 150% of the relaxed lateral size;
• the relaxed lateral size being no more than 400 mm, and left and right side seams at which the front and rear belt portions are joined;
• each of the front and rear belt portions comprising a laminate of:
• a laterally pre-strained elastic film member disposed between a first nonwoven layer and a second nonwoven layer, wherein gathers are present in the first and second nonwoven layers when the belt portions are in a relaxed condition;
• the front belt portion further comprising a front waistband elastic member overlying or underlying the laterally pre-strained elastic film member, disposed and laterally extending along the front waist edge;
• the rear belt portion further comprising a rear waistband elastic member overlying or underlying the laterally pre-strained elastic film member, disposed and laterally extending along the rear waist edge;
• and
• a rear lateral supplemental elastic member distinct from the laterally pre-strained elastic film member and from the rear waistband elastic member, extending laterally across at least a portion of the rear belt portion, disposed longitudinally between the rear waistband elastic member and left and right rear leg opening edges and longitudinally closer to the rear waistband elastic member than to the left and right rear leg opening edges;
• wherein the rear lateral supplemental elastic member is disposed longitudinally closer to the waist edge than a front lateral supplemental elastic member.