I found this little girl's one online...it was sold, but at least it has a name to hlep you look for one in an adult size...It was the same as the one you showed, just in a different color
Simplicity 7407 Vintage 70's Sewing Pattern SWEET Baby Girls Jiffy Criss Cross Straps Pebbles Summer Wrap & X Button Shoulder Top, Bloomer Panties Shorts
Price: $8.50