Little Nutty grows up! (But just a li'l bit.) They've taken the best features of our Gen3 line of adult bike helmets and used them to enhance the design and function of the little kid helmets you love. Great designs that kids and parents both adore, with a smoother contoured shell, a lighter weight for littler heads, and extra sets of pads to grow with your kid, the Gen3 Little Nutty is sure to get your kid out on their bike in safety and style. 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. Detachable visor shades you from sun and rain. Deluxe soft chin pad for extra comfort. An extra set of foam pads to give you the perfect fit. Increased 360 degree reflectivity by including straps and spin dial.