Deerhunter Lady Heat Inner WaistcoatDeerhunter Lady Heat Inner Waistcoat Deerhunter's Lady Heat inner vest has an integrated HEAT system that is activated on the left side of the vest with a gentle press. The heat density is adjustable and is visible in the built in LED light, which indicates the vest's three heat levels. The vest comes with a zip closure on the front, and a flexible fabric in both sides, which combined with the slim elastic trim provide a high degree of freedom of