Do not buy this hat! It is ugly derivation colours with no details.

Derivable pillbox hat has veil with pouf and is opacity mapped for versatility, with blending turned ON.
Hair is cut in swing style with side swept bangs with blending turned OFF (this is recommended).
You will need to leave a band at the base for crowns and such as the hair is 'fake'.
You can see how this can be used for interesting new items in example image:

This is your base derivable version:

Here are your maps: