The Maine Coon was considered the largest breed of domestic cat, until the introduction of the Savannah Cat in the mid 1980s. On average, males weigh from , with females weighing from . The height of adults can vary between and they can reach a length of up to , including the tail, which can reach a length of and is long, tapering, and heavily furred, almost resembling a raccoon's tail. The body is solid and muscular, which is necessary for supporting their weight, and the chest is broad. Maine Coons possess a rectangular body shape and are slow to physically mature; their full size is normally not reached until they are three to five years old, while other cats take about one year.