When your young rider is dedicated to the dirt, you need gear that keeps pace with their skill set. The Smith Wilder Jr. mountain bike helmet combines the enhanced angle impact protection of MIPS® with a lightweight, ventilated design just like our adult helmets. 21 fixed vents keep the air flowing as kids bomb down their favorite trails. Our VaporFitdial system adjusts around the head with the turn of a dial to get the right fit every time. There's a built-in visor to cut glare and integrated sunglasses storage, so kids can stow their glasses just like mom or dad.ProtectionLightweight in-mold constructionMIPS® Brain Protection System reduces rotational forces caused by angled impacts to the headFit/IntegrationVaporFitdial adjustment system offers 270-degree fit adjustment with the turn of a dialDesigned for ultimate integration with Smith performance eyewear and goggles for maximum comfort,venting and storage convenience AirEvacventilation system integrates with Smith goggles an