New SMALL fit XS ? women CLEOBELLA boho lounge pajama pants birds elastic waist

This lounge pant is a size Small but it looks like it might be a better fit for someone who is a size XS ?? Please compare the measurements below against your own clothes to ensure a good fit before purchasing this item!! This brand is sold at Anthropologie and Nordstroms. The hanging tag is a little dirty. Has a fake fly and an elastic waist. The material itself is viscose so it does not stretch. No pockets. ===================== APPROXIMATE measurements: Waist is 12 1/2" across laying flat but can stretch to 13" Hip is 20 1/2" across laying flat Uprise is 12" The SIDES of the pants from waist to leg opening 38" long Inseam 27 1/2" long Leg opening 8" across laying flat Location: Misc #2 box