The Fixture™ MIPS® brings confident, mountain bike style and breezy ventilation together in a compact design that complements nearly any ride especially when there’s dirt under tread. Some of Giro’s best features, like In-Mold construction coupled with the ease and comfort of their acclaimed Roc Loc® Sport fit system, offer the versatility you need to ride everything from fire-road adventures to swooping singletrack trails. The Roc Loc is also seamlessly integrated with the Multi-Directional Impact Protection System (MIPS), which can redirect energy and provide more protection in certain impacts. SIZE: Universal Adult 54-61cm. Giro’s universal helmets are sculpted to look good and fit great for almost anyone first try, taking the hassle out of choosing the right size, so that you can focus on what is important, the ride.