This new reversible coat is made with a functionally airy and light water resistant shell. It is lightly filled, so its perfect for cooler autumn nights, or mild winters. It features a rubber logo and 2 different color options! When not in use, simply roll it up and place in the convenient matching travel pouch. X-Small: Back length: 8 inches; Chest girth: 13-14 inches; Neck size: 6-8 inches Small: Back length: 10 inches; Chest girth: 15-16 inches; Neck: 8-10 inches Medium: Back length: 12 inches; Chest girth: 17-18 inches; Neck: 10-12 inches Large: Back length: 14 inches; Chest girth: 18-19 inches; Neck: 12-14 inches X-Large: Back length: 16 inches; Chest girth: 19-21 inches; Neck: 14-16 inches 2X-Large: Back length: 18 inches; Chest girth: 22-24 inches; Neck: 16-18 inches 3X-Large: Back length: 20 inches; Chest girth: 23-25 inches; Neck: 18-20 inches.