The HEAT.GTX with the first processor-controlled, adjustable heating system for gloves warms better, longer, and with less weight: The high-quality lithium-ion batteries weigh a mere 50 g, are invisible and imperceptible within the glove, and warm all five fingers for up to 12 hours.
"Impulse Control" stimulates the blood circulation in the fingertips. Using the function keys +/- on the upper hand of the HEAT.GTX, three different heat settings can be selected whereby the current setting is indicated by means of LEDs. ...more info !