Buffalo plaid hemmed grey tunic size 2x

Worn once washed in perfume/dye free laundry detergent once and stored in a pet-free, smoke-free environment. Says size 2X, fits 18-20 with some stretch but would fit better in someone “top heavy” with smaller hips/butt. Measures 27inch armpit to armpit and 25inch wide at bottom hem. Length 35inches collar to back hem on back of garment. No flaws or defects.