Heat Distribution: Some buyers report that heat may well change in depth across distinctive heating zones. There's two general different types of heating element development: Carbon fiber and metallic. Carbon fiber is much more sturdy and even more productive at distributing heat but has a tendency to be costlier. https://how-to-return-voltex-heat31715.ampblogs.com/5-essential-elements-for-how-does-voltex-heated-vest-work-68687610