The sweat belt is made to help you burn fat FASTER. Specially designed, to increase core temperature during workouts to provide more effective results from exercising. This easy-to-use waist trimmer retains heat in your core area, increases your sweat levels, and allows you to lose weight.  The Belt should only be worn during exercise for no more than 2-3 hrs at a time. Before you begin exercising, adjust your Belt to the desired position and wrap it comfortably around your abdomen. The Belt should be worn under your clothing.