For every people who wants to keep warm and protect against the cold. For
motorcyclists, mountaineers, skiers,
hunters, and fishermen. Good for those who have a poor blood circulation with icy
handstand feet. With ultra-thin, flexible and super-conductive heating element
inside the vest (two battery cases, six batteries). With
AAA regular battery or rechargeable NI-MH battery for continuous four hours of powerful electricity. Simply put the battery case inside the pocket of the vest and plug
in the heating element.
Free size: Velcro strap, easily to adjust to fit any size or different shape.
Heating pipe is not only in the back
but also in the front. It can keep both of your chestand back warm.