"Etna" W's Heated VestExperience warmth at will and on the go. "Etna" Ws Vest provides instant warmth at your convenience, without the need for bulky clothes or several layers. At a push of the logo button at the front of the garment, an electrical heating system activates to wrap your upper body in a warm embrace. The "Etna" Heated Vest is an ideal companion in the outdoors or when you need to take a break and keep warm between training sessions. Close to body fit and low