EVIDENCE-BASED PROTECTION
The Science Behind Halo
7 years of research. Two Canadian universities. One breakthrough in concussion prevention.
7 Years of Research
2 University Partners
30% Better Protection
Peer-Reviewed Studies
30%
Better Rotational Protection vs. Leading Helmets
15%
Greater Linear Force Reduction
8+
Peer-Reviewed Studies
7 yrs
In Development with University Partners
Results based on independent laboratory testing at the University of Waterloo and Western University.

Read Research
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THE MATERIAL
Foam That Thinks Under Pressure
At rest, the Halo's proprietary foam remains flexible and comfortable. The moment it detects impact, molecular chains stiffen instantly — dispersing energy across the entire surface rather than concentrating it at the point of contact. This rate-dependent response is what makes Halo different from every other helmet on the market.

1
At Rest
Soft, pliable foam moves naturally with your head.

2
On Impact
Molecules instantly cross-link and stiffen.

3
Energy Dispersed
Force is spread across the entire collar, not your brain.
SmithFlex™ is a proprietary rate-dependent polymer system developed in partnership with materials scientists at Western University.
INDEPENDENT RESEARCH
Validated at Canada's Top Universities
The Halo's effectiveness has been rigorously tested by independent researchers at two of Canada's leading institutions — not just internally by our team.
University of Waterloo
Biomechanics & Kinesiology Lab
Researchers tested Halo against leading helmets across 200+ simulated impact scenarios, measuring rotational acceleration and brain strain markers. Results showed statistically significant reductions in all measured concussion indicators.
30% reduction in rotational force
Western University
Impact & Sports Neuroscience
A separate series of drop-tower and pendulum impact tests confirmed the SmithFlex foam's rate-dependent response at multiple impact velocities and angles.
15% reduction in linear force
Both studies were conducted under blind conditions with no Aexos financial involvement in data collection.
BIOMECHANICS
Rotational vs. Linear Force: Why Both Matter
Traditional helmets reduce linear impact forces — but rotational acceleration is now understood as the primary driver of traumatic brain injury. The Halo addresses both vectors.
When the head rotates rapidly on impact, the brain continues moving inside the skull. This differential motion tears neural tissue and causes concussion.
By pre-loading the neck musculature, DNST reduces the head's freedom to rotate, directly lowering rotational acceleration at the brain.
SmithFlex foam absorbs and distributes linear impact energy across a wider surface area, reducing peak force transmission to the skull.
Worn by real athletes
WE ANSWERED
FREQUENTLY ASKED QUESTIONS
The Halo is built for any contact or high-impact sport, including football, hockey, lacrosse, rugby, and more.
Yes. The Halo is designed for universal helmet compatibility and can also be worn without one.
It dissipates both linear and angular acceleration forces, the two primary causes of neck and brain injury, reducing stress by up to 40%.
Not at all. The Halo supports your neck while allowing a full, unrestricted range of motion.
Use the size guide on the product page. The Halo is available in Men, Women, and Youth fits across sizes S to XXL.
The technology has been peer-reviewed and tested at the University of Waterloo and Western University.

















