Fabric/Material:
85% neoprene, 15% nylon
HeatSupport Advantages:
1. 4-way stretch high flexibility, waterproof fabric
2. 180*48mm FIR heating element
3. Includes one 7.4V/2.2Ah re geable lithium-ion battery and ger
4. Provides up to six hours of comfortable warmth
5. Reaches a maximum surface temperature of 57°C at full power