The GameBreaker Stealth Helmet Liner reduced the severity index across all four testing zones: Rear Boss, Front Boss, Front, and Side*. The performance of two national brand hard shell helmets was improved by up to 17% in high and low-velocity impacts when compared to the effectiveness of the helmet without a Stealth Helmet Liner Installed.
The GameBreaker Stealth Helmet Liner is a universal, one size fits all product. Easily trim off any unwanted excess D3O® with any pair of scissors. Fits helmets, caps, and beanies.
Powered by D3o
Full Head Coverage
One Size Fits All
Ventilated For Max Air Flow
No Metal or Hard Plastic Component Parts