Crochet lace robe/sweater Pointelle L/S Soft lightweight vtg

Baby blue, has loops meant for a tie which appears to be missing but I can substitute one. Or wear like a duster or open sweater. soft and delicate, beautiful, has a flaw in the back, a hole in picture easily mended. Under arms 22 inches across, length 37 inches. Marked medium but would also fit a large