NexGen Heat NXM1602SET Mens Riffraff Black, Grey and Red Heated Flannel Long Sleeve Shirt (Rechargeable Battery Pack Included)FeaturesFront Button Closure2 Front Chest Pockets with Button ClosureButton CuffsFull Action Shoulder PanelBuilt-in Inside Hanging LoopCOMFORT: Made of 100% Cotton Woven Flannel Outer Material STYLE: Our Checkerboard Shirt Is Perfect for Anytime Casual Wear, Working Outdoors or Riding Your Motorcycle VERSATILITY: Wear This Shirt Alone in The Early Fall or Use This as An Extra Layer in The Winter Weather. This Shirt Wi