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Your Privacy Choices

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Find their fit

Measure with your dog standing

  1. Chest: around the widest part of the ribs, just behind the front legs. This is the measurement that matters most.
  2. Back: from the base of the neck to the base of the tail.
  3. Neck: around the base of the neck, where the vest will sit. The vest chart does not list neck.
Vest size chart
Size Chest Back length Approx. weight
S12–14 in30–36 cm9–11 in23–28 cm3–6 lb
M14–16 in36–41 cm11–13 in28–33 cm6–9 lb
L16–18 in41–46 cm13–15 in33–38 cm9–12 lb
XL18–20 in46–51 cm15–17 in38–43 cm12–17 lb
2XL20–22 in51–56 cm17–19 in43–48 cm17–23 lb
3XL22–23 in56–58 cm19–20 in48–51 cm23–31 lb
4XL23–25 in58–64 cm20–21 in51–53 cm31–45 lb
5XL25–27 in64–69 cm21–23 in53–58 cm45–65 lb

Measure chest first, then back. Pick the size whose ranges cover your dog. If you land on a line, size up. Neck is not listed on the chart. Size swaps are available within 30 days.

Breed and weight

A starting point only. Two dogs of the same breed and weight can need different sizes, so confirm with chest and back on the chart above.

Size helper

Enter a breed, a weight, or both. Neither can confirm fit; check chest and back before ordering. Breed figures come from veterinary records of adult pet dogs where we have them, otherwise the AKC breed standard.

Unsure? Email chest, back length, and weight before you order. Size swaps are available within 30 days.

Need a hand? Email your measurements. Contact us within 30 days for a size swap.