What is PCM?

The Cooling element of the cooling vest are filled with Phase Change Material(PCM). Phase change materials are substances that absorb and release heat energy when they change phase (known as latent heat). When a material melts, it changes from a solid phase to a liquid phase. During the phase transition, many materials are able to absorb a significant amount of heat energy.

How Phase Change Cooling Vest Works:

Reactivation is fast and easy, simply put the pack in ice water, freezer or fridge or store it at a lower temperature until it becomes fully solid.

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