Giro Fixture II - Unisex Adult 54-61 cm - Mountain Bike Helmet | Enduro All-Mountain | Vents for Ventilation & Cooling Size Adjustment System Safety Standard EN1078 Lightweight & Breathable

• IN-MOLD CONSTRUCTION - In-Mold Construction fuses a tough polycarbonate outer shell with the helmet's impact-absorbing foam liner; the fusion process allows for better ventilation systems, making in-mold helmets lighter and cooler than traditional helmets
• ROC LOC SPORT FIT SYSTEM - The Roc Loc Sport fit system offers easy one-handed operation with a 7cm adjustment range; its confident clicking feel and sound lets riders know that the helmet is adjusting to a comfortable fit; with comfort similar Roc Loc 5 and ponytail compatibility, the new Roc Loc Sport fit system brings premium function to sport level helmets
• REFLECTIVE DETAILS - Reflective Details enhance visibility at nighttime or in low-light conditions when illuminated by a light source, such as headlights, by returning the light back to the source and reaching the driver's eye
• UNIVERSAL FIT SIZING - Our Universal Fit helmets are sculpted to look good and fit great for almost anyone on the first try; by developing proprietary shell sizes based on specific customer groups, and combining them with an easily-adjustable fit system, it's easy for you get the right fit, straight out of the box, without the hassle or expense of trying multiple sizes