Waterproof Dog Coat with Hood - Windproof Sport Dog Clothes Winter Hoodies for Cold Weather, Green, for Medium Dog Size M: Neck Girth 12.5", Chest Girth 17-19", Back length 12". Please do measure the size of your dog and choose a parka based on back length. 100% polyester, with warm fleece inside, keep little pet comfortable and warm. Easy to put wear and put off with 3 point velcro closure, perfect for walking. Water repellent rip support quilted jacket provide warmth, function and fashion. Added reflective strip on back provides extra visibility in the evening.