Unique & Innovative
Instant Cooling Technology
AlphaCool products bring together the finest materials and stunning designs built to cool your core body temperature anywhere.
![](http://alphacoolproducts.com/cdn/shop/files/AlphaCool-Hero-Phase-Change-Cooling-vest-product-image-1_{width}x.jpg?v=1711545893)
![](http://alphacoolproducts.com/cdn/shop/files/AlphaCool-Hero-Phase-Change-Cooling-vest-product-image-2_{width}x.jpg?v=1711546251)
cool your core
Reusable Cooling Relief
Our Tundra Phase Change Cooling Vest features reusable inserts. They hold a 64°F temperature for 3-4 hours and can be recharged in the freezer for approximately 3 hours.