Replacement cooling packs are deployed to provide several hours of cooling relief to reduce fatigue and heat stress. For use with 390-EZHYPC EZ-Cool® Max combination phase change & evaporative cooling vest.

• Cooling packs are deployed in a variety of shapes and sizes for personal comfort and maximum cooling results
• Protection from stress of high temperatures outdoors and indoors
• Includes 1 set of 4 cooling pack inserts
• Cooling effects last for up to 3 hours
• To activate place in freezer, refrigerator, or cooler with ice set at 58¬∫F
• Set time of 45 minutes to ensure packs are frozen solid throughout
• PCM is non-flammable, non-toxic, and non-combustible