Size Charts

Turns out, size does matter. To get the perfect fit for your pup, please consult our helpful size guides by product.
Need more help?  Send us an email support@koston.com

Not sure of the exact measurements?
Check our Size Guide by Breed for general size guidelines by breed.

Dog Harness Size Guide

Measuring Tips: Center a measuring tape around your dog's neck/chest. Two fingers should still fit between the neck and the measuring tape so that it doesn't get too tight.

Size S M L XL
Neck 9" - 14" 13" - 18" 16" - 25" 20" - 34"
Chest 11" - 18" 14" - 25"
20" - 35"
26" - 46"
Width
0.6"
 0.8"
1" 1"
Example Breed

Yorkie, Shih Tzu, Chihuahua, Dachshund, Maltese, Cat

French Bulldog, Corgi, Beagle, Cocker Spaniel, Boston Terrier

Golden Retriever, Pit Bull, Border Collie, Australian Shepherd, Boxer

 Great Dane, Mastiff

Size Neck Chest Width
S
9" - 14"
11" - 18"
0.6"
M
13" - 18"
14" - 25"
0.8"
L
16" - 25"
20" - 35"
1"
XL
20" - 34"
26" - 46"
1"
If your dog's neck circumference / chest circumference is just between sizes, we recommend the larger size.

Dog Collar Size Guide

Measuring Tips: Center a measuring tape around your dog's neck/chest. Two fingers should still fit between the neck and the measuring tape so that it doesn't get too tight. 

Size s m l
Neck Circumference 11”-16” 14”-19” 18”-26”
Collar Width 5/8” 1” 1”
Example Breed

Cocker Spaniel, Mini Goldendoodle, Pug, Shih Tzu, Boston Terrier, Corgi

Shiba Inu, Pit Bull, Vizsla, Border Collie, French Bulldog

Labrador, Golden Retriever, German Shepherd, Australian Cattle Dog

Size Neck Circumference Collar Width
S 11”-16” 5/8”
M 14”-19” 1”
L 18”-26” 1”
Shop dog collar See size guidelines by dog breed

Size Guide by Breed

While we strongly recommend measuring your pup to get the most accurate fit, we understand that it’s not always possible if you're giving a gift or buying for a puppy. We’ve created this size chart by breed to suggest the Foggy Dog size that usually fits each breed.

Breed Weight (lbs) Neck Size Harness Size Collar Size
Afghan 50-60 16-22" L M / L
American Staffordshire Terrier 60-90 18-24" L L
Alaskan Malamute 65-100 18-24" L L
American Bulldog 60-120 18-24" L L
American Eskimo 18-35 16-20" M / L M
American Eskimo, Mini 15-25 13-16" M S
American Staffordshire Terrier 40-70 14-20" L M / L
Australian Cattle Dog 31-35 22-28" L L
Australian Kelpie 25-45 15-21" L M / L
Australian Shepherd 35-70 16-22" L M / L
Australian Shepherd, Mini 20-35 10-14” M S
Basenji 20-26 10-14" M S
Basset Hound 40-65 16-22″ M / L M / L
Beagle 18-30 12-18" M S / M
Bedlington Terrier 17-23 14-18″ M S / M
Belgian Malinois 55-75 16-20″ L M / L
Bernese Mountain Dog 75-100 20-26″ L L
Bichon Frise 10-14 10-16″ S S / M
Black And Tan Coonhound 70-85 19-23″ L L
Bloodhound 88-105 22-28″ L L
Blue Heeler 30-35 22-28″ L L
Border Collie 30-45 14-18″ L M
Border Terrier 11-16 11-14″ S / M S
Boston Terrier 10-25 12-18″ M S / M
Bouvier Des Flandres 60-77 22-26″ L L
Boxer 55-75 16-22″ L M / L
Brittany 30-40 14-16″ M / L S
Bull Terrier 50-60 12-18" L S / M
Bull Terrier, Mini 18-28 14-18″ M M
Bullmastiff 100-130 26-28″ L / XL L
Cairn Terrier 12-16 10-16″ S S / M
Cane Corso 90-110 22-30″ L L
Caucasian Shepherd 100-200 22-26″ L L
Cavalier King Charles Spaniel 13-18 10-14″ S S
Chihuahua 3-7 8-14″ S S
Chinese Crested 5-10 8-11″ S S
Chow 45-65 18-24″ L L
Cocker Spaniel 25-40 12-18″ M S / M
Collie 50-75 18-22″ L M / L
Corgi 25-38 14-16″ M S / M
Dachshund, Mini 9-15 8-14″ S S
Dachshund, Standard 16-32 16-20″ S M
Dalmatian 45-65 14-20″ L M
Doberman 65-100 16-22″ L M / L
Dogo Argentino 80-100 20-26″ L L
Dogue De Bordeaux 120-140 20-26" L / XL L
English Bulldog 40-55 18-24″ L L
English Mastiff 120-250 28-38″ L / XL L
English Setter 65-80 18-24″ L L
Fox Terrier 14-18 10-16″ S S / M
French Bulldog 18-28 12-18″ M S / M
German Shepherd 65-95 18-24″ L L
German Shorthair Pointer 45-70 20-26″ L L
Golden Retriever 55-75 16-24″ L M / L
Goldendoodle, Mini 30-45 12-16″ M / L S
Goldendoodle, Standard 40-50 16-22" L M / L
Great Dane 125-135 20-26″ XL L
Great Pyrenees 90-125 24-30″ L L
Greyhound 55-80 14-18″ L M
Havanese 7-13 8-14″ S S
Irish Setter 53-70 16-22″ L M / L
Irish Terrier 25-27 16-20″ M M
Irish Wolfhound 115-120 20-27″ L L
Italian Greyhound 7-12 8-11″ S S
Jack Russell Terrier 9-15 10-14″ S S
Keeshond 30-40 18-24" L L
King Charles Cavalier 13-18 10-14″ S S
Labradoodle, Miniature 15-25 12-16″ M S
Labradoodle, Standard 50-65 14-20″ L M
Labrador 55-75 18-24″ XL L
Lhasa Apso 13-18 12-16″ S / M S / M
Louisiana Catahoula Leopard 50-95 16-21" L M / L
Lurcher 60-70 13-20″ L S / M
Maltese 6-9 10-14″ S S
Maltipoo 5-20 8-14" S / M S
Newfoundland 110-150 26-32″ L L
Norwegian Elkhound 50-60 18-22" L L
Old English Sheepdog 60-65 18-24″ L L
Papillon 8-11 8-12″ S S
Pekingese 8-10 12-16″ S S
Pinscher, Mini 8-12 8-11″ S S
Pit Bull 40-70 14-20" L L
Pomeranian 9-13 10-14″ S S
Poodle, Mini 12-20 10-16″ S S
Poodle, Standard 45-70 12-18″ L M
Poodle, Toy 12-17 8-14″ S S
Portuguese Water Dog 35-60 15-20″ L M / L
Pug 14-18 12-16″ M M
Puggle 15-30 12-18″ M M
Rat Terrier 11-14 13-16″ M S
Rhodesian Ridgeback 60-90 20-23″ L L
Rottweiler 100-120 24-30″ N / A L
Saluki 40-60 13-18″ M / L S / M
Schipperke 11-18 10-14″ S S
Schnauzer, Giant 70-80 20-26″ L L
Schnauzer, Mini 13-15 10-16″ S S / M
Schnauzer, Standard 30-35 14-20″ M M
Scottish Terrier 19-23 16-20″ M M
Shar Pei 35-55 16-20″ L M / L
Shetland Sheep Dog (Sheltie) 15-27 11-18″ M S / M
Shiba Inu 17-23 14-17″ M S / M
Shichon 10-15 10-16″ S S
Shih Tzu 12-16 10-14″ S S
Siberian Husky 40-60 16-22″ L M / L
Silky Terrier 8-10 10-14″ S S
Springer Spaniel 49-55 14-18″ L M
St. Bernard 130-230 26-32″ L L
Swiss Shepherd 77-85 18-24" L L
Vizsla  40-65 15-22″ L M / L
Weimaraner 55-85 16-22″ L M / L
West Highland Terrier (Westie) 15-22 14-16″ M S
Wheaten Terrier 30-40 18-22″ M / L M / L
Whippet 30-35 13-15″ L S / M
Yorkshire Terrier (Yorkie) 6-9 6-12″ S S
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