Keep your pooch warm and comfortable with this fleece and knit jumper. This gorgeous navy jumper would make a great addition to your dog\'s wardrobe. Machine washable - this jumper is easy to fit. Available in four sizes. Measure the dog from the base of the neck to the base of the tail. Depth of the dog\'s chest should be considered. Size guide back length, Small 12\", Medium 14\", Large 16\", Xlarge 18\". Note: This product is a fashion accessory and should only be worn by animals and under supervision. Size: Medium.