Vintage 50s Striped Cotton Dress - Juniors or Older Girls - may work for XS Petite
Gray stripe has red lining. Buttons to waist - pull over head, no zippers. There is a thin belt but it is fairly worn.
No size, likely for girl or junior petite lady, see measurements: Bust: 31"/ Waist: 28" fit as underbust area as shown on 5'1" model/ Hips: free/ 13" shoulders/12. 5" shoulder to waist/ Length: 32"/arm hole is 6. 5" shoulder to bottom. Model is 5'1" XS 31/23/35 and dress was comfortable/fitted at bust and underarms as shown. Flaws: super faint yellowing right under waist and some spots on skirt, I noticed these on inspection, not eye catching, see closeup photos.

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This item is sold from an excellent, highly rated vintage boutique.