Fleshing out the world she lives in would really help cement the character design.
A good way of world building is just to ask yourself questions, why is the island abandoned? (An abandoned forest sounds a little strange) What was there before it was abandoned, ancient ruins of an advanced city, or a small fishing village? Why is she on this island? Is she there by choice or was she abandoned / exiled?
If she is a hard bitten survivor scavenging from the ruins of previous settlers then she's dressed very cleanly. Where did that pristine yellow loincloth come from? Why is she posed as if she's dancing? If you can ask and answer questions like this of your designs it can solve a lot of ambiguities and practicalities of your characters pose and costume.
