In cold temperatures, the body uses up much more energy or you quickly get chilled. With this high-quality waistcoat, which can easily be worn under a winter jacket, the torso and the important organs inside can be kept in a pleasant warmth. This ensures well-being during winter sports and other outdoor activities and prevents the kidneys, for example, from getting cold. Constantly freezing reduces performance and concentration. In addition, there is an increased risk of injury. This can be avoided with this high-quality heating waistcoat, which warms up the upper body quickly and effectively when needed. The innovative Li-Ion battery allows you to conveniently control the waistcoat via Bluetooth using your smartphone. This has the great advantage that you only have to use the smartphone and do not have to open the waistcoat or the winter jacket.