Spring Summer Pet Puppy Doggie Clothes Sports Vest Waistcoat Shirt Dog T-shirt S: neck:7.8 inch bust:12 back:7.4 M: neck:9 bust:13.3 back:9.8 L: neck: 11 bust:15 back:11.4 XL: neck:11.8 bust:18 back:13.7 XXL: neck:12.9 bust:18.8 back:15.3