How does a sweatvest work

Our Sweatvest© works! We developed advanced thermal care technology and incorporated it into our fibres to cause rapid perspiration. By using layers of insulant into the vest we created a SweatZone© shield to keep all the heat in. This product can be great for winter to stay warm on top of its summertime effects. For muscle toning this product works best in warm, dry temperatures to increase the perspiration percentage and get the body you deserve.