This product is a new premium heat-trapping polymer fabrics, it's very lightweight and high stretchy, which help to boost your natural body heat and stimulate sweating with activity in a short time. You can wear this slimming pants for comfy tight compreion from waist/stomach to lower belly to thighs,it will not chafe or irritate your skin.It's very comfortable and healthy for daily wear and workout. ULTRA-HIGH WAIST CINCHER TUMMY CONTROL SHAPER: The tummy control pants is ultra-high waist,has elastic waist band,flexible to keep the shaper always in right place The fitne sweat panties provide superior tummy control to smooth belly, tuck your tummy in, shape your waist,also compre your thighs and lift up your bottom accentuating your natural curves. You will instantly achieve a small waist and a dreamy hourgla figure putting them on.