Inspiration for jumper or cardigan if cut down the middle? And I might cut up and lengthen the inner sleeve seam, this creating more of a side seam at the same time so it's not quite so revealing on the sides.
Find some lightweight, stretch fabric, and wrap away. Bina used a material that consists of Rayon – Jersey. Middle Panel: hip width (not circumference); Side panels: 2 width of hips. Length shoulder to knee.