Voberry Puppy Sweater, Warm Doggie Clothes Cute Knitted Classic Pet Dog Shirt Apparel The size may run small than your usual size, please choose a size according to the size chart below. XS:Back Length---17cm/6.7";Chest---27cm/10.6";Neck---23cm/9.1" S: Back Length---20cm/7.9";Chest---31cm/12.2";Neck---25cm/9.8" M:Back Length---25CM/9.8";Chest---33CM/13";Neck---27CM/10.6" L:S: Back Length---29CM/11.4";Chest---37CM/14.6";Neck--- 28CM/11" XL:Back Length---36CM/14.2";Chest---39CM/15.4";Neck--- 31CM/12.2" Material:Knit blend