would opening up the side seams to wear over pants be an option?
There is enough fabric to make it into a "body" suit if you like those and could resolve a "riding up" issue.

Indigoprint, this is a seriously stretchy mesh, layered garment — I suspect it would not hang nicely that way but that’s a great creative idea for a different fabrication (I do have a tunic length top with a print that I adore that I’m thinking of doing that treatment on).

Well, I took the plunge — the dress is at the tailor with some tops that need hemming and some pants that need the waist taken in! They seemed confident it would work well cut off into a top. We allowed for a little extra length to accommodate a little scrunching at the waist, should it occur.

I realized I had also recently been interested in adding a pretty patterned mesh top back into my wardrobe, but none I’ve tried or looked at seemed to work for my preferences (why so many little mock turtlenecks?). If this alteration is successful, I have my new mesh top!

I’m echoing Brooklyn’s comment about re-purposing the leftover material into an infinity scarf!

Good to hear it's on the way to becoming a beautiful top. I was going to say just cut it and leave the hem raw. (Though you'd need to secure the stitching at the side seams where it's cut, to prevent the seams from coming undone.) I also wondered if you might use the bottom part, or part of it, as an infinity scarf. Maybe double-loop it.
I'll be interested to hear if your tailor finishes the hem or leaves it raw.