Heated back warmer vest ideal or winter golf. The back is heated by carbon fiber filament contained in polyester and cotton lined vest. The vest is lightweight for unrestricted movement and so easily fits under normal outer clothing. Connect to a 5v battery pack (not included) to start the heating process
Specification:
Material: Polyester cotton
Size - is small Asian size so please size up by a factor of 3 (for example for M select 2XL)
Controllable temperature: 25°C, 35°C, 45°C / 77°F, 95°F, 113°F
Working temperature: -5~40°C / 23~104°F
