Halo Liner M/L .75″

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 .75″ 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.