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Personal Cooling

We provide innovative personal cooling solutions designed to reduce heat stress, enhance performance, and ensure safety during demanding operations.

Core Technologies

Arm immersion cooling for fast heat stress recovery

Personal Cooling Products

Our patented personal cooling technologies, like PhaseCore Cooling Vests, absorb body heat for long-lasting, gentle cooling, enhancing productivity and reducing heat-related issues.

Comfortable and lightweight, they prepare you for any task. Meanwhile, Immersion Cooling Equipment (ICE) is a portable unit that allows up to six users to cool their core by immersing hands and forearms, and can support full-body immersion in emergencies.

Use Cases

Phasecore for MS

Professional-grade personal cooling for athletes

Frequently Asked Questions

Here are some common questions about our products and how they support disaster preparedness and emergency response.

How does the ICE System help reduce heat stress in the field?

The ICE System uses forearm immersion cooling to help reduce heat burden, support recovery, and improve performance in hot and demanding environments.

The ICE System is used across emergency response, military, industrial, athletic, and event operations where personnel are exposed to prolonged heat.

Yes. The ICE System supports proactive cooling before heat stress impacts performance and can also assist with rapid cooling and recovery during heat emergencies.

Documents and Resources

Explore a collection of detailed data sheets, videos, and safety information (SDS) for all First Line Technology products. From decontamination solutions like Dahlgren Decon to innovative tools for emergency response, find the resources you need to support your mission effectively.

Solutions built for your mission

We design and manufacture innovative disaster preparedness and emergency response equipment-taking ideas from the lab to life-saving products.

“Have questions or require a solution tailored to your needs? Contact our customer solutions team for personalized support and expert guidance.”