The Sundog Sport Nylon Shell Jacket is a lightweight, water-resistant jacket designed to improve visibility for dogs during hunting season and outdoor activities. It is made from durable 400-denier nylon in bright blaze orange for better visibility. The jacket is available in sizes from 12″ to 30″. To choose the right size, measure your dog’s back from the base of the neck to the base of the tail. Made by Sundog Sport in Ely, Minnesota, it is a practical layer for keeping dogs more visible outdoors.