P.S. from Aeropostale is positioned in the age ranges directly of Brothers, 77 Kids, Justice, and Ruum but behind the main Aeropostale brand. P.S. from Aeropostale clothing and products mainly target children ages 5-15 years old. Some P.S. stores are co-branded with the main Aeropostale store.
P.S. stores are often placed directly within Aeropostale stores. In some shopping malls with smaller Aeropostale stores, P.S. stores can be seen operating separately from the main store.
On February 11, 2017, P.S. launched a line of clothing and products for children 4 years of age and under called "P.S. Junior". The line is currently being sold online only.