Bassets are large, short, solid and long, with curved sabre tails held high over their long backs. An adult dog weighs between 20 and 35 kilograms (44 and 77 lb). This breed, relative to its size, is heavier-boned than any other.This breed, like its ancestor the Bloodhound, has a hanging skin structure, which causes the face to tend to have a sad look; this, for many people, adds to the breed's charm. Some Bassets are also classified as gray or blue - this colour is considered rare and undesirable in the show ring. In addition to ear problems, basset hounds may be susceptible to eye issues. In addition to ear problems, basset hounds may be susceptible to eye issues.