Heated Base-layer Top

Control: built in 900C temperture controller with 3 heat settings (LED indicator)
Heating element (3) abdominal, upper back, lower back.
 
Shell Material: 94% nylon+ 6% spandex
 
Choose to be powered by:
(1) 7V battery system- 604 battery (7.4V 2200mah) 7 battery charger included or
(2) 5Volt USB battery - 5000mah or 10400mah) battery with min 2AMP output port.