Nutcase Hula Vibe Gen3 Street Sport Helmet Gen3 helmets combine the awesome features of our Gen2 helmets with several new innovations that will make your brain even happier. Better sizing, improved ventilation, lighter weight, increased reflectivity, a removable spin dial join a multitude of designs, foam pads and our awesome magnetic buckle. Features: - Certified by both the CPSC for cycling and ASTM F1492 for skating standards - Durable ABS shell - Protective EPS inner foam lining - Magnetic buckle means no pinching! - Front, top & back venting - Crumple zones in external EPS to help disperse energy in the event of a crash - Adjustable/Removable spin dial gives a snug & comfortable fit - Deluxe soft chin pad for extra comfort - Increased 360 degree reflectivity by including straps and spin dial - Improved ventilation by adding air channels in EPS Questions? Leave a comment below!