Kuoser reversible Dog Winter Coat Size Information: XS: Back Length: 10.23"/26CM, Neck Girth: 11.02"/28cm, Chest Girth:13.38-15.74"/34-40cm S: Back Length: 12.59"/32CM, Neck Girth: 11.81"/30cm, Chest Girth:16.53-18.89"/42-48cm M: Back Length: 14.17"/36CM, Neck Girth:14.17"/36cm, Chest Girth:18.89-21.25"/48-54cm L: Back Length: 15.74"/40CM, Neck Girth: 15.74"/40cm, Chest Girth: 22.04-25.89"/56-66cm XL: Back Length:16.92"/43CM, Neck Girth: 16.92"/43cm, Chest Girth:24.4-28.34"/62-72cm XXL: Back Length: 18.5"/47CM, Neck Girth: 18.5"/47cm, Chest Girth:26.77-31.49"/68-80cm 3XL: Back Length:23.2"/59CM, Neck Girth:23.2"/59cm, Chest Girth:32.38-39.37"/82-100cm Size Chart Shows The size range that fit your beloved dog. Please allow sufficient room to slip two fingers between the measure tape and the dog's neck and chest girth. This is a wonderful pet clothes made by the highest quality cotton fleece outwear. These clothes are the perfect size for all large, medium, and small dogs, such as golden retriever, Labrador, husky, Teddy, schnauzer, Samoyed, Cocker Spaniel, Boston Terriers, and Bulldogs etc., small breed puppies, Chihuahua, Yorkshire Terrier, Maltese, Mini Pinscher, Pomeranian, mini Poodle, Jack Russel, pug, Pekingese, medium breed dog, large breed dogs. Occasions: Outdoor or indoor activities. Functions: This fleece vest is soft and warm to protect your beloved puppy in the cold weather.