On this episode of the Hunting Gear Podcast,  Dan talks with Patrick Deighan of FieldSheer about the technology behind their line of warming and cooling apparel. Patrick talks about how the company got its start and how they expanded from a motorcycle jacket to gear for the everyday outdoorsman. Patrick get in to the details about the material they use and how they help regulate body temperature. Although FieldSheer is not considered a "Hunting Brand" there is crossover in function and application for both whitetail hunters of the midwest and those chasing game out west.