The Cult Gem Crossback Dress in Multi. The year of the digital fantasy print is upon us and Cult is getting the goods. Get all dolled up in the Gem Crossback Dress paired with a sweet pair of platforms and a cute cross body bag. Black Elastic Crossback Straps. Front Keyhole. Body Con. 29" Long. Hand Wash Cold. 100% Polyester. Made in USA. By Cult. Size & Fit: Model is wearing a size Extra Small. Our model Ashley is 5'10" with a 34" bust, 24" waist, and 34" hips.