NWOT SHEIN sleeveless v-neck tunic size XL

NWOT never worn SHEIN sleeveless v-neck tunic top, white. Tag size XL but fits small - more like a L. Soft stretchy jersey material. Approx. measurements: - bust (armpit to armpit circumference): 37” - waist (circumference): 38” - length (armpit to bottom hem): 25”