Vintage 1970s Pastel Orange Sundress, Act I Size XS

Peachy orange sleeveless dress with a tiered skirt from the 70s that buttons down the front. It comes with 2 tie belts. Brand - Act I New York Content - I think it's a cotton/poly blend Size - approximately a modern XS but please check all measurements to ensure fit Chest - 15.75" pit to pit Waist - 13" across Hips - approximately 20" across Length - 43" Condition - I don't see any flaws