The Bell Sixer MTB helmet is ready for singletrack adventures. This lightweight, strong and stylish lid is well vented for comfort and features Bells Float Fit system for a closer-to-the-head fit. A key feature of the trail ready Sixer mountain bike helmet is MIPS technology. MIPS is an integrated moveable cage that sits within the helmet and disperses the force of rotational impacts to the head. A singletrack trailblazer for your next epic ride. Key Features: Weight: 395 gramsVents: 26 vents, 4 brow portsCertifications: CPSC Bicycle, CE EN1078Dual Flow VentilationConstruction: Fusion In-Mold Polycarbonate Shell, Exposed Polycarbonate Roll Cage, Progressive LayeringFloat Fit Race (integrated with MIPS)4-Position Adjustable VisorIntegrated Breakaway Camera MountGoggle GripperNo-Twist Tri-GlidesSweat GuideX-Static PaddingMIPS (integrated with fit system) The last thing you want to be thinking about in the middle of a long backcountry ride is your helmet. It sh