Elm Vivian Denim Dress.  The Vivian Denim Dress from Elm is both comfy and stylish and will be one you reach for all season long. This dress features a functional button-through front, flattering knee length, curved hem, a stylish collar and practical pockets. This easy-to-wear dress will be perfect for on-the-go dressing, just add sneakers or sandals and you're good to go!