How To

How Do You Wear A Cooling Vest Like UnderCool?

How Do You Wear A Cooling Vest Like UnderCool?

ThermApparel’s UnderCool Cooling Vest is designed with discretion in mind with it’s…

How Long Does it Take to Recharge PCM Phase Change Material Cooling Packs?

How Long Does it Take to Recharge PCM Phase Change Material Cooling Packs?

Recharging times will depend on the type of PCM (phase change material). Not all PCM’s are created equal.
ThermApparel uses a non-toxic…

What is Phase Change Material?

What is Phase Change Material?

PCMs are substances that absorb and release thermal energy during the process of melting and freezing. What does that mean? …

How Does A Cooling Vest Work?

How Does A Cooling Vest Work?

A cooling vest works by lowering or stabilizing body temperature. This helps make exposure to uncomfortable temperatures more bearable. Cooling vests are used by…

Is UnderCool a Cooling Vest?

Is UnderCool a Cooling Vest?

Yes! UnderCool is a lightweight cooling vest designed to keep you cool and comfortable. The unisex design is the perfect cooling vest for women and men with…

How to refreezing cooling packs in ice water

How to refreezing cooling packs in ice water

Over the last year, we have gotten many a befuddled look when we say that our Cooling Packs freeze at room temperature. It is a confusing thing, since we all think of freezing as "ice cold”.  The best way I can think of to describe it is