The D3O Halo™ Helmet Liner System is the lightest, most breathable, and most comfortable helmet liner that surpasses ACH Blunt Impact Requirements (AR/PD 10-02) . Weighing 25% less than the next best liner on the market, Halo is the lightest ACH 10fps suspension system , reducing both weight and trauma. Engineered for superior comfort, 37% of the liner is made from pure comfort foam , ensuring a plush, full-coverage fit without altering the standard 1″ helmet fit , delivering exceptional short- and long-term wearability. The scientifically developed comfort foam is wrapped in high-quality MILSPEC anti-microbial fabrics for enhanced durability and hygiene. Enhanced Airflow With 12 built-in airflow channels , D3O Halo promotes continuous air circulation between the user’s head and the helmet shell, helping to: Reduce moisture buildup Minimize sweat accumulation and prevent it from dripping into the eyes Maintain the comfort foam’s optimal stiffness Seamless Headset Integration The crown pad features a permanent headset band recess and strategically placed flex grooves , allowing it to adapt smoothly when used with headsets. Exceptional Impact Protection The Halo liner outperforms AR/PD 10-02 standards by 33% , maintaining an average impact force of less than 100g across all conditions, even in the most demanding liner-shell setups. Offering the same top-tier impact protection as competitors while being 25% lighter , the Halo liner delivers superior consistency across various impact locations and temperatures.
Identifiers
- SKU
- Halo Liner M/L 1.0″
- Certificate #
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- Certified
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Used by (HighCom Armor)
- US Department of Defense — USMCfederal · last 8/17/2023$9.2M
- Arizona Department of Public Safetystate · AZ · last 5/22/2024$2.5M
Sourced from USAspending.gov / FPDS and public procurement records. Mapping is by manufacturer; direct SKU attribution arrives as FPDS description parsing improves.
Where to buy
Find authorized distributors for this product via the manufacturer page. Looking for state-level compliance? See the state regulation map.
Physical + multi-hit specs
Size variants
| Size | Weight | Dimensions | Thickness |
|---|---|---|---|
| — | — | — | — |
Pricing
- MSRP
- $61
Certifications
Cooperative contracts
Coverage is manufacturer-level; individual SKUs may require a participating-addendum in your state. See the coverage matrix.