YIANNA Sweat Neoprene Sauna Suit Tank Top Vest with Adjustable Shaper Waist Trainer Belt Hot Sweat Sauna Vest Interior: Neoprene; Unique Design: Sports Bra + Waist Trimmer + Waist trainer; High Compression, Reduces & Shapes Your Waist, Adjustable Waistband for Most Sizes; Zipper front closure + adjustable waistband with velcro closure, an ideal for a hourglass shape,excellent fit for short torso and normal torso body types 2 mm single-layer neoprene fabric compression garment, Interior lining available with neoprene rubber only or with a protective layer of black jersey mesh over neoprene rubber; Confortable & high quality,light weight design with tank zipper front style;Interior pocket for iphone, mp3, android phone Racerback Sports Bra Allows Free Movement, Form Fitting; Contours to Most Body Shapes, Continuous Full Coverage for the Upper Body, Great for women who desire to sweat more during your workout; lose water weight faster, and cleanse your pores and released built up toxins.