DESIGNER PATTERNED SWEAT JACKET with Re moveable hood is a beautiful piece. Light cotton removable hood with an Argyle pattern. Beautiful diamond weaved pattern along the backside with beautiful matching details. Features Thinsulate insulation technology located between the fabric. Your Dog will love this! Sizing Guide: From Back of Neck to Tail area (In" Inches) 8" : EXTRA SMALL 10-12": SMALL 14-16": MEDIUM 18-20": LARGE 22-24": EXTRA LARGE"