+ Measure around the base of your dog's neck, checking the tape measure is not too tight by leaving space for two fingers.
+ Hiro + Wolf collars are measured from length A to length B - see diagram below. For the most comfortable fit, your dog's neck size should be between these two measurements.
+ Does your dog need a custom size collar? Place your order for the closest size and tell us your dog's neck circumference in the notes section. Alternatively e mail firstname.lastname@example.org