The Giro Tremor™ MIPS® Bike Helmet brings a cool style that gives riders reliable protection and comfort that will always be your little riders' go-to. This helmet features the latest in head protection technology, an easy-to-adjust fit system, and 18 breathable vents. The interior has an In-Mold construction which helps reduce weight and enhances durability, plus a Roc Loc® Sport system for an adjustable, secure fit. This helmet integrates Multi-Directional Impact Protection System (MIPS®), which can redirect energy and provide more protection in certain impacts. The Giro Tremor™ MIPS® Bike Helmet will be your little one's favorite way of staying protected in all their bike rides!