IMPROTANT Notification: when you choose the size, pls choose leave 5cm more for make your dog feel Comfortable.
For exmble, the dog Chest is in 69- 72cm, then you shoud choose XL size: 36 * (74-87) * (66-79). if you choose L size, it will be very tight.
SIZE SMALL (Body x Chest x Neck) : 8.7 inch x 18.1 to 21.6 inch x 16.9 to 19.7 inch
SIZE MEDIUM (Body x Chest x Neck) : 9.8 inch x 20.5 to 24.8 inch x 19.3 to 23.2 inch
SIZE LARGE (Body x Chest x Neck): 11.8 inch x 23.2 to 28.3 inch x 23.2 to 27.6 inch
Size XL (Body x Chest x Neck): 14.2 inch x 29.2 inch to 34.2 inch x 26 inch to 31.1 inch
Size XXL (Body x Chest x Neck): 16.5 inch x 37.8 inch to 45.7 inch x 30 inch to 36.6 inch
Size Back chest neck