This New Balance Essentials Core Bomber Button-Up Jacket in Black is a Women’s Medium (Style Code WJ01505). It features breathable lined polyester construction, button placket at the front, white signature logo at the chest, slash pockets, and ribbed trim at the collar, cuffs, and hem. It measures approximately 21” pit to pit, 22” shoulder to hem, and 21” in the sleeves. There are a couple of tiny pulls at the ribbing (see 3rd photo), aside from which the jacket is in very good condition.