TIPS: Please depending on WAISTLINE(1 inch above navel) and HIP(fullest part) and refer size chart to choose your best size. Any idea about our SAUNA SWEAT LEEGINGS PANTS, please contact us. JHHB HOT THERMO FABRIC ▶️The sauna sweat pants for women use the upgrated silver heat-trapping polymer fabric, which will raise our body temperature and sweat crazily in a short time and burn more calories and fat for helping to achieve reducing weight better. Compared with the ordinary slim pants, besides more sweating, this waist trainer leggings for women is more lighter and comfortable. You can wear it all day whatever you do without sense of bondage. Making you slimmer and more toned.