Take your workout to the next level with SaunaFX products. The Sauna vest helps you get the most out of your workout by increasing core body temperature and using neoprene fabrication to increase sweat production. Its flexibility and stretch allows for a full range of motion and focused heat targets the most stubborn and difficult to maintain areas. Built in Microban Antimicrobial Technology inhibits the growth of stain and odor causing bacteria, keeping your Vest fresher longer!