Black mesh cooling vest

Basic information
1.Product size:
2.Weight:
3.Materials:

Function 
1.Ice packs to the vest for longer cooling time. 
2.Especially in extreme high temperatures, using ice packs, the cooling vest can maintain a temperature of no more than 28 ° C for 4-5 hours.


How to use：
 1.Put the ice pack that matches the vest in the refrigerator and freeze it for 2 hours.
  2.Before putting it on, put the frozen matching ice pack into your back.