HARKILA Clim8 Insulated Heat Control Waistcoat - Mens - Willow GreenHARKILA Clim8 Insulated Heat Control Waistcoat Mens Willow Green The Hrkila Heat clim8 insulated waistcoat is an intelligent heating waistcoat that adapts the electronic heating capabilities to suit the weather, the hunters level of activity, as well as the custom heat setting of the wearer. Everything is controlled by the set and forget clim8 app. The app is only required during the set up process, once the product has been paired your personal