The TACKS 910 hockey helmet is top-flight noggin protection at elite levels. Equipped with Fluid Inside™ pods and our rate-sensitive D3O® Smart Material, this bucket is designed to distribute impact energy evenly in complete comfort. Even your opponents will give you compliments. *Scientists indicate that brain injuries and concussions are mainly due to linear and rotational accelerations of the brain. No hockey helmet can prevent or eliminate the risk of head injury, including concussions.