Our SPANXsmooth™ OnForm Halter Tank is made from buttery-soft, lightweight performance fabric with gentle smoothing built in. This tank top features flattering halter straps, an open-back design, and a adjustable shelf bra—with removable cups—for a personalized fit. Breathable, sweat-wicking, and crafted with 4-way stretch, this versatile piece moves with you, and is perfect for before, during, and after your low-intensity workouts like Pilates or yoga.