This bike helmet is designed with your child's safety in mind, featuring a durable PC shell and EPS foam for effective shock absorption, providing reliable protection during rides. Certified with CE, CPSC, and ASTM standards, it ensures that your child is well-protected. Available in Size XS (18.1"-18.9") and Size S (18.9"-21.3"), the helmet's Size S fits head circumferences between 18.9" and 21.3". The easy-to-adjust dial allows for a customizable fit, while adjustable side straps ensure a secure and comfortable fit for various head sizes. Weighing only 260g (0.57lb), it is lightweight and comfortable for kids to wear for extended periods. Inside, soft padding reduces pressure on the head, adding extra comfort for longer rides. With 16 strategically placed air vents, this helmet ensures proper ventilation to keep your child cool and comfortable. The removable, washable lining helps maintain freshness and cleanliness. Perfect for biking, this helmet also makes a thoughtful gift for birthdays, Christmas, or Thanksgiving. Parents can trust that this helmet combines safety, comfort, and style, making it the ideal choice for active kids.