Suitable for tough winter hiking and walking in the mountains, in the field and in extreme moist conditions - these hunting/hiking/walking boots are high-tech, lightweight and robust. For perfect comfort during cold weather these Hunting Boots are equipped with an integrated Heat system: INTEMP . To warm up there are batteries and heaters mounted in the toe and heel part. They can boost at turn on and then maintain a constant temperature for up to 6 hours, so regardless of the weather conditions your feet feel warm.