Now the we have a more in depth way of changing our hearthlings hair,face, gender and skin colour. I think that the next step would be adding the ability to change the look of our hearthlings clothes.
Similar to hair there would be different versions of each clothing piece.
some of these could even be locked to traits.
Example from a project Im working on:
Standard:
Backpack:
Small pouch:
!
though 
?