Standard Size Guide

Use this chart to find the perfect fit for your pup. Always measure before purchasing, and when in doubt, size up.

Measure your dog’s neck where the collar sits. Leave room for two fingers between the collar and neck.

Size	Neck Circumference	Common Breeds
XS	8–12 in (20–30 cm)	Chihuahua, Yorkie, Maltese
S	10–14 in (25–36 cm)	Dachshund, Jack Russell, Pug
M	14–20 in (36–51 cm)	Beagle, Cocker Spaniel, Border Collie
L	18–26 in (46–66 cm)	Labrador, Boxer, Golden Retriever
XL	22–30 in (56–76 cm)	German Shepherd, Great Dane

Measure the widest part of your dog’s chest (girth), just behind the front legs.

Size	Chest Girth	Common Breeds
XS	12–17 in (30–43 cm)	Toy Breeds, Puppies
S	16–22 in (40–56 cm)	Boston Terrier, Shih Tzu
M	20–28 in (51–71 cm)	French Bulldog, Corgi, Spaniel
L	26–36 in (66–91 cm)	Pit Bull, Husky, Aussie Shepherd
XL	32–44 in (81–112 cm)	Rottweiler, Mastiff

Measure length (base of neck to tail), chest girth, and neck circumference.

Size	Back Length	Chest Girth	Neck	Common Breeds
XS	8–10 in	12–15 in	8–10 in	Teacup breeds, Puppies
S	10–12 in	14–18 in	10–12 in	Pomeranian, Shih Tzu
M	12–16 in	18–22 in	12–14 in	Schnauzer, Boston Terrier
L	16–20 in	22–28 in	14–16 in	Cocker Spaniel, Corgi
XL	20–24 in	28–34 in	16–18 in	Boxer, Golden Retriever

Leash size depends on dog size and walking style.