Choosing the correct size for your dog.
The harness is adjustable and the breed/size chart is for guidance only.
| Size | Breed |
| Small 5/8" | Jack Russell, Yorkshire Terrier |
| Medium ¾" | Border Collie, Cavalier & Springer Spaniel |
| Large 1" | German Shepherd |
| Extra Large 1¼" | Mastiff, Rottweiler |