3-piece set including rash guard

How about layering this over your swimsuit?
(Sizes 130, 140)

Please check the snag (photos 3 & 4).
I've checked carefully, but please forgive me if there are any other oversights.
Thank you for your understanding that this is a used item worn by a child.

There are no back pockets (photo 6). They are decorative only.
There are two pockets in the front.

The long-sleeved item has pockets on both sides. There are thumbholes at the cuffs.