K9 TailSaver Sizing Guide: Find Your Perfect Fit
Find Your Dog’s Size
Enter your dog’s weight and back length below. The tool will recommend a specific size in seconds.
Next step after sizing
Once you have a size, move straight to the main set.
If your dog is between sizes, size up and text support before ordering. If you already know your fit, go directly to the K9 TailSaver product page.
How to Measure Your Dog
Approximate
Base of neck to base of tail (rump) - Is back 28" ( 71cm) ? Important ! Some Large dogs need to size up to XL based on this and some XL dogs need to size down to our "special" XL because of shorter back length.
📏 Get My Dog's Exact Size — Interactive Finder
Size by Breed
A quick starting point — use the tool above for your dog's exact measurements.
Akita — 20–38 S, 38–56 M, 56–95 L, 95+ XL (ask about tail guide)
American Staffordshire Terrier — 20–38 lb S, 38–58 M, 58–95 L, 95+ Custom
Anatolian Shepherd — 20–35 S, 35–60 M, 60–80 L, 80–90 L-Plus, 90–120 XL
Australian Shepherd / Cattle Dog — 20–38 lb S, 38–60 M, 60–90 L
Basset — 20–40 lb S, 40–58 M
Beagle — 20–40 lb S, 40–50 lb M
Beauceron — 20–38 lb S, 38–58 M, 58–100 L
Belgian Malinois — 20–38 lb S, 38–60 M, 60–100 L
Bernese Mountain Dog — 58–80 L, 80–98 lb L-Plus, 98–115 XL, 115–150 XXL
Border Collie — 40–55 lb M, 55–80 lb L
Boxer — 40–60 lb M, 60–100 lb L
Brittany Spaniel — 20–38 S, 38–58 M
Bulldog — 40–60 M, 60–95 lb L, 100+ Custom
Bullmastiff — 58–80 L, 80–90 lb L-Plus, 90–115 XL, 115–150 XXL
Cane Corso — 20–38 lb S, 38–58 M, 58–100 L
Caucasian Shepherd — 58–80 L, 80–90 L-Plus, 90–115 XL, 115–145 XXL, 145+ 3XL
Cocker Spaniel — 15–22 XS, 22–40 S, 38–58 M
Collie — 20–38 S, 38–58 M, 58–90 L
Dachshund — 15–20 XS, 20–38 lb S
Dalmatian — 20–38 lb S, 38–58 M
Dogue de Bordeaux — 38–55 M, 55–90 L, 90–115 XL, 115–160 XXL, 160+ 3XL
German Pointer — 38–55 M, 55–90 L, 100+ XL
German Shepherd — 35–65 M, 65–75 L, 75–85 L-Plus, 90–125 XL
Golden Retriever — 20–38 S, 38–58 M, 58–100 L, 100+ XL
Great Dane — 40–60 M, 60–90 L, 90–115 XL, 115+ XXL
Great Pyrenees — 58–80 L, 80–90 lb L-Plus, 90–115 XL, 115–150 XXL
Greyhound — 65–80 L-Plus, 80–110 XL
Husky — 60–90 L (order Custom, note breed/weight & fluffy tail)
Irish Wolfhound — 80–95 XL, 95–115 XXL, 115–200 XXL Plus (3XL)
Labrador — 38–55 lb M, 55–90 lb L
Leonberger — 58–80 L, 80–90 L-Plus, 90–115 XL, 115–160 XXL, 160+ 3XL
Malinois — 38–55 M, 55–90 L, 100+ XL
Mastiff — 58–80 L, 80–90 L-Plus, 90–115 XL, 115–150 XXL
Mixed Breeds 1 — medium length/booty, 20–38 S, 38–58 M, 58–90 L, 100+ Custom
Mixed Breeds 2 — long/big rear, 20–38 S, 38–58 M, 58–90 L, 85+ L-Plus, 85+ XL
Mixed Breeds 3 — mixed with a giant breed, 40–60 M, 60–90 L, 90–140 XL/XXL
Newfoundland — 58–80 L, 80–98 lb L-Plus, 98–115 XL, 115–150 XXL, 145+ 3XL
Old English Sheepdog — 40–56 M, 56–90 L, 100+ XL**
Pharaoh Hound — 38–55 M, 55–90 L, 100+ XL
Pitbull — 20–38 lb S, 38–58 M, 58–95 L, 95–100 Custom
Poodle & Mixes — 20–38 lb S, 38–58 M, 58–95 L
Rottweiler — 38–58 M, 58–95 L, 95–115 XL, 115–160 XXL
Saint Bernard — 58–85 L, 85–90 L-Plus, 90–115 XL, 115–150 XXL
Scottish Deerhound — 85–105 XL, 105–125 XXL, 125+ 3XL
Shetland Sheepdog — 20–38 lb S, 38–58 M
Shiba Inu — 20–35 S, 35–55 M, 55–82 L-Plus, 82+ XL
Spaniel — 15–22 XS, 22–40 S, 40–58 M
Terrier — 20–38 S, 55–90 L, 100–120 XL, 120+ XXL
Tosa Inu — 95–115 XL, 115–160 XXL, 160+ 3XL
Whippet — 40–58 lb M, 58–85 lb L
Xoloitzcuintli — 38–55 M, 55–90 L, 90+ XL
*Ask about tail guide **Contact us for custom sizing
