Tibi Off Shoulder Belted Midi Dress in Navy. - size 0 (also in 2) Tibi Off Shoulder Belted Midi Dress in Navy. - size 0 (also in 2) Cotton blend. Unlined. Elastic neckline. Waist tie. Side seam pockets. Neckline to hem measures approx 44 in length. TIBI-WD518. TR316LWD14890. Tibi is a New York based advanced contemporary brand founded in 1997 by Amy Smilovic. The brand aesthetic is laidback and easy, yet chic and modern. Tibi conveys functionality, femininity and unique detailing with relaxed and minimal solid separates. Each collection is inspired by the character of the modern woman and her cool sense of ease and nonchalance.