- Solution
Personal Cooling
We provide innovative personal cooling solutions designed to reduce heat stress, enhance performance, and ensure safety during demanding operations.
Core Technologies
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 your personal cooling technology reduce heat stress?
Our personal cooling products are designed to regulate body temperature, using advanced materials and innovative designs to provide relief in high-heat conditions.
Who can benefit from your personal cooling solutions?
Our cooling products are ideal for first responders, military personnel, athletes, and anyone working in extreme heat environments.
Are your cooling products reusable?
Yes, our personal cooling solutions are durable, easy to use, and reusable, making them a reliable choice for long-term heat stress management.
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.
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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.”

From Lab to Life-Saving, First Line Technology designs disruptive technology and training to enable and protect those who protect us.


Products
Get in Touch
- First Line Technology HQ
- 487 Lendall Ln
- Fredericksburg, VA 22405
- info@firstlinetech.com
- 703.955.7510 (Phone)
- 844.955.7510 (Toll free)
- 703.955.7540 (Fax)
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