Norbi Dog Winter Coat with Harness Built in, Waterproof Windproof Jacket, Warm Puffer Vest for Small Medium Large Dogs, All Weather Cold Weather Gear for Walking(Black, 5XL)Brand: Norbi Color: Black Features: Get the Perfect Fit Our Sizing Guide & Tips For a comfortable fit, we suggest measuring your dog's chest and back length, adding 12 inches (35 cm) for their coat. If between sizes, selecting the larger one often works best. Should you need any sizing assistance, our customer service team is delighted to help. We'd be delighted if you'd like to share a photo of your pup in their norbi dog coat with harnessincluding