- CPSC Certified Dual Shell Design : This bike helmet features a durable PC dual-shell construction that meets U.S. CPSC standards, ensuring top-notch head protection during your rides. - Lightweight Comfort : Weighing just 285g (0.63 pounds), the helmet is crafted with high-quality lightweight PC and 20mm EPS foam. This design minimizes pressure on your head, providing comfort even during long rides, while maintaining excellent safety performance. - Convenient Removable Components : The sun visor and inner liner can be easily removed without tools, making it simple to clean and maintain. This feature enhances the helmet's versatility and ensures it remains in top condition for your cycling adventures. - Customizable Fit : The helmet includes an adjustable dial fit knob and padded interior, accommodating head circumferences from 59-61cm. This ensures a snug and secure fit for both teenagers and adults. We recommend measuring your head before purchase for the best experience. Use Scenarios : - Perfect for daily commutes, providing reliable protection while navigating city streets. - Ideal for weekend cyclists looking to enjoy long-distance rides without discomfort. - Great for recreational biking, offering peace of mind on family outings or mountain trails. This helmet combines safety, comfort, and practicality, making it a must-have for any cycling enthusiast.