The FL3DS YOUTH hockey helmet is easy to adjust as young players grow, so their helmet can follow them through the years. Pairing multi-density foams with D3O® ® rate-sensitive material, this helmet is a surefire choice for your budding superstar. *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.