Increase the metabolic rate during exercise compared to a standard garment when Zaggora clothing was worn for at least 30 minutes during exercise Enhance your natural body temperature to warm you up in the areas you want to target most Snug, comfortable fit follows and flatters your body's curves The Zaggora Hot Line of products has been extensively tested in both the US and UK for effectiveness Reinforced taped back rise seam Zaggora HotPants Long HotPant Shorts/Long, Light and Flexible - CELU-LITE Technology The Zaggora Hot Line of products has been extensively tested in both the US and UK for effectiveness.