Quilted armour grants 4 AC with 2 base and 2 dex however it has the comfort trait, meaning you can rest in this armour.
This might not come up often but when it does you will be very grateful for the extra AC.
For a metal kineticist build this is also perfect as you can ALWAYS have some armour and then use metal carapace. Eating a crit only reduces your AC by one, which isn’t as dire as it could be.
Amateurs think Bards are the horny ones but really it’s the Paladins.
Charisma based with disease immunity, strength and the constitution to back it up.