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D30 HALO Helmet Liner System
Product

D30 HALO Helmet Liner System

U.S. Armor

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The D30-HALO-Helmet-Liner-System is designed for superior protection and reliability, making it an essential piece of gear for law enforcement, military personnel, and security professionals. The worlds lightest, most ventilated, comfortable helmet liner to exceed ACH blunt impact requirements (AR/PD 10-02). 25% Lighter than the next best competitor. Shed Weight – Reduce Trauma – Save Lives Halo has been designed with end-user comfort and fit in mind. The Delta Three Oscar team of engineers has maximized the comfort foam thickness – without altering the 0.75” fit – to guarantee best-in-class short- and long-term comfort. The comfort foam has been scientifically developed to provide a familiar plush, full coverage fit and is wrapped in premium MIILSPEC anti-microbial wicking fabrics. Stay prepared and secure with the D30-HALO-Helmet-Liner-System, your ultimate safeguard against evolving threats.

NIJ standard
Threat level
Last verified

Identifiers

SKU
F‐500074‐HALO
Certificate #
Certified
Product type
Carrier / gender

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

SizeWeightDimensionsThickness

Federal contract activity (3y)

Total spend
$145,214
Contracts
4
Distinct agencies
2
Top agencyContractsSpend
Department of Defense3$127,004
Department of the Interior1$18,210

Aggregated from HigherGov + USASpending.gov. Manufacturer-grain (line-item attribution to specific products isn’t available from federal sources). Latest award: Jun 30, 2025.

Certifications

Mfr. attested

Cooperative contracts

Coverage is manufacturer-level; individual SKUs may require a participating-addendum in your state. See the coverage matrix.

Availability