Why do I need a Cooling Vest?
Heat stress is a recognized hazard first responders face when completing tasks while wearing Personal Protection Equipment (PPE). Although our range of PPE has been designed to provide first responders with an excellent level of protection, durability and comfort, the primary purpose of the PPE is to be an impenetrable layer of protection. When the wearer begins their physical activities the body heats up producing excess heat energy that is trapped inside the PPE. The PPE prevents the release of the excess heat which in turn can result in heat stress. Overheating remains a problem...that is until now. First Line Technology now provides a solution - the SWEDE Cooling Vest.

How does it work?
The SWEDE Cooling Vest is fitted with 21 Phase Change Material
(PCM) elements. Each element has an activation point set at 82°F. When the ambient temperature rises above this point, the PCM becomes active and starts to absorb the heat energy. But, more
importantly, the PCM remains at the activation point temperature. The SWEDE Cooling Vest provides a cooling effect of the body core by heat absorption thus reducing the heat stress hazard.

How long will it last?
In temperatures below the activation point the PCM elements take a solid form. As they absorb heat energy they change from a solid to liquid state. The cooling effect ceases once the transformation to liquid state is completed. The rate of change will vary according to the heat energy produced by the physical activity being undertaken and the environmental conditions. The cooling is effective up to 4 hours.
Is it effective?
Tests completed in a hot environment showed that only a 4°F rise in body temperature were recorded for an individual wearing a SWEDE Cooling Vest compared with a 13°F rise for an individual without the SWEDE Cooling Vest.

How does is recharge?
The SWEDE Cooling Vest requires no batteries, ice or air pumps. When the ambient temperature around the PCM element cools the stored heat energy is discharged and the PCM solidifies ready for the next use. It is simple, easy and safe.