America's Trusted Service Dog Registry
Phone: 888-656-DOGS - Email:

Winter Mesh Vest Sizing Chart

Be sure to measure your dog's girth correctly. Measure the length around the largest part of your dog's chest to determine its girth.
Vest Size Approx. Girth Common Breeds
XX-Small 10 - 11 Inches Very small and/or puppy dogs. Dogs under 5 pounds.
X-Small 12 - 13 Inches Chihuahua, Toy Poodle, Yorkshire Terrier, Maltese
Small 14 - 15 Inches Bichon, Shih-Tzu, Dachshund, Pomeranian, French Bulldog
Medium 16 - 17 Inches Cocker Spaniel, Bulldog, Beagle, Shiba Inu, Pug
Large 18 - 19 Inches Boxer, Pitbull, Golden Retriever, Border Collie, Huskie
X-Large 20 - 23 Inches German Shepherd, Rottweiler, Labrador, Doberman
XX-Large 23 - 31 Inches German Shepherd, Rottweiler, Labrador, Doberman, Mastiff, Great Dane
Each size of the winter service dog / ESA vest mesh is adjustable to within a few inches, however it's always best to measure your dog's girth accurately to ensure a comfortable fit. But don't worry - if you order the wrong size, exchanges are free.