Kasper Vintage Tweed Blue Blazer Jacket sz 8

47% Polyester 27% Acrylic 18% Rayon 10% Wool Fully lined: 100% Polyester Tag says size 14 , BUT - item is listed as a size 8 as this seems to be equivalent to my current size 8 jackets. Pit to pit measurement is: 17”-17.5”