The Fox Kids' Mainframe MIPS Mountain Bike Helmet offering proven safety features with the same easy trail style as its adult counterpart. This affordable trail helmet for young riders features the proven MIPS impact protection system that reduces rotational forces in a crash by absorbing and redirecting energies and forces otherwise transmitted to the brain. Its lightweight fit system will also keep young heads cool and well vented. Don't take chances with their most precious asset, the Fox Kids' Mainframe MIPS Mountain Bike Helmet offers great protection at a price that won't break the bank