These are top quality harnesses designed and handmade in Italy. The construction eliminates sore spots and chafing. Materials are selected to prevent matting and give your dog maximum comfort. There are no straps through the armpits to irritate the skin. When it comes to dogs, there's no such thing as one size fits all. Tre Ponti's offerings includes harnesses for big dog with adjustable belly straps for broad-chested or heavier breeds. Their large breed harness is made to keep the chest band from riding up; a common problem with big, powerful dogs.Tre Pontiharnesses have been used by European dog owners for years.