Jean Nicole gray wool blazer size 7/8

Cute blazer, clean and in excellent condition. Contains 30% wool, see fabric content for details. Listing this as a women's size 8 based on size listed on tag, but unsure of exact size (could be teens size 8??) so please see approximate measurements for details on fit. Armpit to armpit 18" Length 25.5" Waist 15.5" Sleeve 22"