[The lab coat makes her grin at him gratefully.]

Thanks. I was gonna ask you if there were extras of these things lying around.

[She slips into it, relieved that there's something actually covering he back now. The bottle she twists open and draws the water out with a wave of her hand. The liquid rests in her hand as a bubble.]

This is waterbending. I guess...it's basically that I can control the water.