Sauna Hot Tank Top Vest Slimming Shapewear Weight Loss Shaper Waist Trainer With or Without adjustable shoulder buckles to accommodate taller or shorter upper body. Compression 2.5mm neoprene vest or short-sleeve waist cincher is perfect for upper body toning targeting mid-section and arms. Full torso coverage. Firm and supportive shapewear provides abdomen, waist, back, and arms control with a chest lift effect.