Should jeans fit properly without needing a belt, or is it normal to need one? Ideally your new jeans should fit well without a belt. In this instance, belts are more for styling than for holding your jeans up. Related articles How should denim fit when you first get it? Will it stretch? Should the waistband fit snugly without a gap at the back? How many times should I wear jeans before washing them? What size should I purchase? What fit of denim is best for my body shape?