Kaliís traffic E-Bike helmet will be your go to with its rear flashing light to keep you visible, Fidloc buckle for ease and the NTTA 8876 Dutch E-bike safety rating to keep you protected as you cruise city streets.Now upgraded with our QuadCore low density layer.All Kali helmets come with a lifetime crash replacement.TechnologyComposite fusion that has in-molding technology which fuses the shell and EPS foam liner. This gives better impact energy management, increased dynamic range ñ smaller, lighter and stronger.The Biodome helmet has recycled EPS with water-based paint and recycled straps. The pads are also unbleached.Key Features:• Rear flashing USB light with power button• Fidloc buckle• Locking sliders• Dial-fit system• Reflective straps• Snap-fit removable visor• 17 vents• Weighs 346g/12.2oz• PC shell• EPS foam• NTA 8776 and EN 1078 certified• Available in three colourways Matt Black and Matt StoneSizes:• Small/Medium 54 ñ 58cm • Large/X Large 58 ñ 62cm