The first helmet to be engineered with KOROYD technology as the sole energy absorber, the GH400 absorbs impacts by crumpling consistently to reduce force transferred to the head. The open cell ...

With vents seemingly filled with plastic straws, Smith was the first brand to employ Koroyd in its bike helmets, with the honeycomb structure claimed to offer superior energy absorption to EPS foam ...

Like every STUDSON safety helmet, its imbedded with the latest cutting-edge technologies. Koroyd provides industry leading impact absorption in protecting the head and neck while twICEme ...