When trying to decide between two sizes, choose the larger size for a better fit.
Pet Costumes
| Size | Length | Chest | Neck | Weight |
| SM | 13-16" | 15-18" | 11.5-13" | 11-17 lbs |
| MD | 16-19.5" | 18-22.5" | 13-15.5" | 18-28 lbs |
| LG | 19.5-25" | 23-26" | 15.5-18" | 29-44 lbs |
| XL | 25-34" | 26.5-32" | 18-21" | 45-75 lbs |