Are pull-ups as absorbent as diapers?

Absorbency. Both pull-ups and diapers are made of multi-layers of absorbent material for liquid absorption and contain a waterproof outer layer. Most parents who have used both, however, claim that pull-ups are less absorbent than diapers, and thus are more prone to leaking.

What is the purpose of pull-ups?

Pull-ups are a common way to measure the upper body strength of the “pulling muscles”. They are used by the United States Marine Corps as a part of the Physical Fitness Test, although marines may also choose to substitute push-ups.