• Suitable head circumference: M: 57-58cm, L: 59-60cm, XL: 61-62cm.
• Safety certification: DOT safety standard certification
• Removable lining, easy to clean, comfortable, lightweight and durable
• ABS shell EPS inner shell.
• Stylish and cool, suitable for adults or teenagers; clear lenses allow you to ride safely at night, and gold lenses are suitable for daytime riding