ActivArmr™ Cooling Vest

Comfort garment which helps to reduce elevated body temperatures in people who work in hot environments or with extreme physical exertion.

  • Reduces heat stress by absorbing heat from the body
  • Easy to dress
  • Washable
  • Long life time
  • Available in a flame retardant version


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ActivArmr™ Cooling Vest

The ActivArmr™ Cooling Vest is a comfort garment which helps to reduce elevated body temperatures in people who work in hot environments or with extreme physical exertion. It provides a cooling effect just when the body needs it!

design features

Can be worn underneath chemical protective clothing, turnout gear,coveralls, diving suits or daily workwear.

The vest functions by means of PCM (phase change material) elements which absorb excess heat from the body. The heat absorption continues until the elements soften.

Cooling elements recharge at room temperature.

The vest is designed to have a close fit. The PCM elements are integrated into the lining, providing great comfort and maintaining the wearer's flexibility when moving.


The vest is ideal for use in the following environments and applications: 

• Fire & Rescue Services • Mining • Police 
Oil platforms • Chemical industry 
Steel industry • Refineries • Nuclear plants 
Paper mills • Military • Diving • Many, many more

cooling effect, DURATION

The PCM elements start absorbing and storing excess heat at a temperature of 28°C (82°F). Heat absorption from the body or from an external source continues up to 4 hours until the elements have soften.


The PCM elements recharge automatically in approximately 2-3 hours at room temperature (22°C / 72°F).
The process requires less time in lower temperatures.


The PCM elements consist of a non-toxic, non-flammable blend of salts. The elements can be repeatedly used and recharged without removing them from the vest.

spare and replacement elements

To facilitate prolonged periods of work, spare sets of PCM elements are available for rotation. 


97-609 ActivArmr™ Standard Cooling Vest
97-610 ActivArmr™ FR Cooling Vest (flame retardant)


97-609 Inner/outer material: Polyester
97-610 Inner/outer material: Marko® Flame Retardant (54% modacrylic, 44% cotton, 2% antistatic fibers)


PCM element packaging: Aluminium


Vest weight: Approx. 2.1 kg (4.6 lbs)


Standard 97-609: Black
FR 97-610: Dark blue


S/M, L/XL, 2XL/3XL, 4XL/5XL.
For measurements, please see the product data sheet under the "Downloads" tab (above).


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