Relying on where hunters search and the period, late period searching can be cool, in some cases bone-chillingly so. Remaining warm throughout these hunts comes down to taking care of moisture, because vaporizing sweat accelerates waterproofing warm loss. One means to do this is by using a range jack.
A range jack is a tiny opening or air vent built right into specific tents that allows hunters pipeline in the warmth of a wood-burning stove inside their sanctuary.