OAT NY, Womens short denim jacket. Size L, NWT

NWT, Womens OAT NY short denim jacket. Done in a medium wash with 2 usable front pockets. Button front with.buttons also on the cuffs and on the right and left sides. Pit to pit measures 20 inches and pit to bottom band measures 11.5 inches. Size large, however, according to approx measurements, I feel this brand runs small.