Giro Fixture II Helmet YouthSome of Giro's best features, like In Mold construction coupled with the ease and comfort of our acclaimed Roc Loc Sport fit system, offer the versatility you need to ride everything from fire road adventures to swooping singletrack trails. This is one of the best performance value mountain bike helmets available, with styling and color options that will keep you feeling good mile after mile. INTEGRATED MIPS BRAIN PROTECTION SYSTEM All Giro helmets