Theory Etia blue and white lined striped sleeveless peplum size small

In great pre-loved condition sleeveless peplum top by Theory Navy and white stripes Zipper on one side making it easier to put on There is little to no stretch in this top Style: Etia Shell: 91% Cotton 9% Polyester Lining: 100% Polyester No rips, holes or stains. Tag says size is P (Petite?). I am assuming size small; however, please review measurements below to ensure a proper fit. Approximate laid flat measurements: Pit to pit: 16.75" Waist side to side: 14" (no stretch) Shoulder to bottom hem: 22.5"