Dog Size Guide

We want every pup to wear the right fit — comfortable, secure, and stylish. Measure carefully and use the tables below to pick the best collar or harness size. Sizes are shown in cm and inches for convenience.

Dog Collar Size Guide

Measuring tips: measure the neck where the collar will sit. Use a soft tape measure and allow room for two fingers between the tape and your dog — not too tight, not too loose.

Size	XS	S	M	L	XL
Neck circumference	15–28 cm (5.9"–11.4")	20–29 cm (7.9"–11.4")	27–41 cm (10.6"–16.1")	33–52 cm (13.0"–20.5")	37–60 cm (14.6"–23.6")
Collar width	13 mm (½")	20 mm (0.79")	20 mm (0.79")	25 mm (0.98")	25 mm (0.98")
Example breeds	Yorkie, Chihuahua, Maltese	Cocker Spaniel, Pug, Corgi	Shiba Inu, Vizsla, Border Collie	Labrador, Golden Retriever	Large breeds (GSD, Great Dane)

Dog Harness Size Guide

Measuring tips: measure the chest (girth) behind the front legs at the widest point. Also measure the base of the neck, since harnesses sit lower than collars.

Size	XS	S	M	L	XL
Neck	15–28 cm (5.9"–11.4")	19–29 cm (7.5"–11.4")	27–41 cm (10.6"–16.1")	35–55 cm (13.8"–21.7")	42–70 cm (16.5"–27.6")
Chest (girth)	20–32 cm (7.8"–12.6")	22–35 cm (8.7"–13.8")	31–59 cm (12.2"–23.2")	40–75 cm (15.8"–29.5")	49–90 cm (19.3"–35.4")
Strap width	13 mm (½")	20 mm (0.79")	20 mm (0.79")	25 mm (0.98")	25 mm (0.98")
Example breeds	Yorkie, Chihuahua, Maltese	Cocker Spaniel, Pug	Beagle, Corgi, Border Collie	Labrador, Golden Retriever	Large working breeds