Chico's New with Tags Zip off Bottom Black Striped Jacket Size 4

Chico's New with Tags Zip off Bottom Black Striped Jacket Size 4 Chico's online sizing chart has their "4" as a XL Bottom of jacket zips off 24" sleeve length, 28.5" shoulder to bottom of jacket, 20" from shoulder to bottom of zip off area, 21" armpit to armpit. Body: 65% Rayon, 30% Nylon, 5% Spandex Lining: 100% Polyester