Womens size 20 one piece pant suit

Adorable navy, rust and cream one piece pant suit. Deep V on front. Hidden zipper to waist on back. Elastic on both sides of outfit. Flutter short sleeves. Approx 58” in total length from shoulder. Inseam approx 24” from crotch. Hem at bottom of leg opening 9”. Unsure of fabric content. Poly/rayon maybe. Very light and flowy.