The all new Specialized Jett kids bike. Specifically made for growing kids! Developed from observing how kids ride. App support for parents to measure and made the necessary adjustments recommended every 6 months!
Essentially, if you hit your head on a rock or log (hopefully you don't) at an angle, the helmet will absorb some of the rotational force before it passes through to your brain. This lessens the chances of a brain injury or concussion.
For your complete protection, look for the MIPS logo!