Smith Sidekick Junior MIPS is a youth mountain bike helmet that combines a confident MTB look with Mips safety technology to help manage rotational forces in an angled impact. The helmet brings big-kid design details to smaller riders, including extended rear coverage, a built-in visor, and plenty of ventilation for active days. A dial adjustment system makes it easy to fine-tune comfort for everything from pump tracks to trail rides. Mips safety system designed to reduce rotational forces from angled impacts Lightweight in-mold build that bonds the outer shell to the EPS foam for durable, low-weight protection Certified for bicycle helmet standards including U.S. Cpsc, Ce En 1078 and As/Nzs2063 for riders age 5 and older 12 fixed vents to keep air moving during steady pedalling and play Integrated visor for extra coverage on bright days and through roost AirEvac ventilation designed to work with Smith eyewear to help limit lens fogging Performance comfort liner for a smoother feel aga