Size Chart Dog Harnesses – William Walker

To choose the correct size, measure your dog's chest girth (A) at the widest point behind the front legs. If you are between two sizes, also use the chest bridge length (B) as an additional guideline.

Dog with harness – measurement points A and B

Size Chart Plain Dog Harness

A = Chest Girth | B = Chest Bridge Length | C = Strap Width

Size A – Chest Girth B – Chest Bridge C – Strap Width Dog Weight
Extra Small (XS) 35–48 cm 16 cm 1.5 cm approx. 3–6 kg
Small (S) 46–63 cm 19 cm 1.5 cm approx. 5–12 kg
Medium (M) 54–76 cm 22 cm 2 cm approx. 10–20 kg
Large (L) 61–85 cm 28 cm 2.5 cm approx. 18–30 kg
Extra Large (XL) 69–100 cm 33 cm 2.5 cm approx. 28–45+ kg

Breed Recommendation

Size Example Breeds
Extra Small (XS) Chihuahua, Maltese, Pomeranian, Yorkshire Terrier, Miniature Pinscher
Small (S) Jack Russell, Pug, French Bulldog (small), Cavalier King Charles Spaniel, Beagle (small)
Medium (M) Beagle, Cocker Spaniel, Border Collie (slender), Australian Shepherd (female)
Large (L) Labrador, Golden Retriever, Australian Shepherd (male), Dalmatian, Husky, Weimaraner
Extra Large (XL) Large Labrador/Golden, German Shepherd, Rhodesian Ridgeback, Boxer (male), Rottweiler (slender), Bernese Mountain Dog (female)

Variations in build can occur within the same breed. The breed recommendation is a guideline, not a guarantee. Always measure the chest girth for the most accurate size selection.