Derby Originals Horse-Tough 1200D Waterproof Ripstop Nylon Winter Dog Coat 150g Polyfil with Two Year Warranty BUILT FOR A HORSE, BUT TAILORED FOR YOUR DOG - our classic and best selling dog coat has been a customer favorite for years due to its horse-strong design with premium features like shoulder gussets and a double hook and loop closure. KEEPS YOUR DOG WARM AND COZY - this coat was designed to keep your dog feeling toasty in even the coldest conditions. This medium weight coat is ideal for all weather conditions from mild to freezing. WATERPROOF DESIGN - this dog coat has a completely waterproof (but still breathable!) exterior and was designed to keep your canine companion warm and dry in even the worst weather conditions. 1200D RIPSTOP CONSTRUCTION - this coat was made from a super tough rip and tear resistant 1200D nylon outer shell, which can withstand even the most destructive dogs and worst weather. NOT JUST A DOG COAT - this dog coat was designed to be versatile in size so that it can be used as a coat for a plethora of animals from goats to horses (our coats are ideal for mini horses and foals!).