AVERAGE HARNESS RECOMMENDED AVERAGE COMMON …
https://clickertraining.com/files/freedom-no-pull-harness-sizing-chart.pdfTerrier, Samoyed, Schipperke, Scottish Terrier, Shiba Inu, Welsh Terrier, Wheaten Terrier. MD Neck 14" - 18" Chest 24" - 28" 5/8" 25 - 40 American Foxhound, Australian Cattle Dog, Australian Shepherd, Canaan Dog, Standard Dachshund, French Bulldog, Glen of Imaal Terrier, Harrier, Kerry Blue Terrier, Miniature Bull Terrier, Sheltie, Sussex Spaniel.