Coats, boots, halters, thunder shirts, Zen Dog, etc sizing guides Thundershirt Size Guide

Measure “ Chest Size ” as illustrated by red arrow below Thundershirt comes in seven different sizes … XXL , XL , L , M , S , XS , and XXS . See the table to find the right size for your dog . Like people , dogs come in many different shapes and sizes , so if your dog has unusual proportions , you may need to go up or down a size versus the “ standard ” measurements . But the Thundershirt is designed to be very adjustable to accommodate different dog shapes and still be easy to put on .

Measure “ Chest Size ” as illustrated by red arrow below