Hurtta Pet Collection Summit Parka for Dogs NO TWO DOGS ARE THE SAME - Dont guess on the size. Use the size chart along with the Measuring Your Dog size guide. The back length is the most important for apparel USES -The Hurtta Summit parka is a simple and efficient way to keep the dog's body temperature stable in cold weather. It is as well suited for a quick stroll as it is a long hike QUICK & EASY - Quick and easy to put on and take off, the Summit Parka does not need any legs lifted to be put on just one buckle around the waist WATERPROOF - The Parka has a waterproof yet breathable Houndtex coating great for snow or light rain. High-visibility 3M reflectors are added so you dog can be seen at night ADJUSTABLE - Features an adjustable back length, belt and collar to allow freedom of movement and a perfect fit