Buffalo red and black plaid jacket size small / medium faux leather sleeves

Buffalo plaid with faux leather arms and trim In good clean well cared for condition Designed by Red snap Form fitting Tag says medium but I feel like it measures more like a small , especially if you were to wear a sweater under it Please compare my measurements to yours for best fit Measuring approximately laid flat 18 pit to pit 21 shoulder to hem Sleeves 18 pit to cuff Bundle any three items from my closet Buy two get one free