This product is two legs sweater, Please pay attention to measuring chest circumference

Size X-Small：Back length 9.8 inches， Chest length 10.2 inches，Neck length 8.7 inches
Size Small: Back length 11.8 inches， Chest length 13.4 inches， Neck 9.4 inches
Size Medium: Back length 14.2 inches， Chest length 15.7 inches， Neck 10.2 inches
Size Large: Back length 16.9 inches ，Chest length 18.1 inches，Neck 11 inches