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 many times should I wear jeans before washing them? Should the waistband fit snugly without a gap at the back? How should denim fit when you first get it? Will it stretch? What size should I purchase? Should I be able to sit comfortably in the jeans?