Function; Effects: Flatten abdomen, smaller the waist holds your back,postpartum recovery, more sweat out when exercise then fat burning,crazy sweat in the hot, protecting spine, posture standing erect training Women trainer corset vest : Triple adjustment high compreion design to ensure this Sauna Thermal Top Vest could fit your figure at the most extent - 3 rows of hooks & eye closures inner + zipper closure outer + adjustable strap. Vest outfits corset top U-Type Design make sure that this Hot Sweating Shaper Waist Trainer keeps anti-droop when you take exercise then you can workout heartily and enjoy your time; It looks great and matches with any combination of sports top 3 hook vest shaper 6 Spiral Steel Boned provide a nice support on your back. It will help to improve your posture especially when working on the computer for a long time. Tank tops design Promotes Body Heat: High quanlity neoprene, the Body Shaping Top Vest intensifies perspiration in your exercise