Complies with the U.S. Safety Standard. It is made of sturdy PC shell and high quality EPS foam, providing more protection for the cyclist.

2 sizes are available: L, 58-61 cm (22.8-24.0 inch) for adult; M, 54-58 cm (21.3-22.8 inch) for kids age 5 and older. Please choosing the helmet size according to the head circumference.

The adjustable dial and strap can be easily adjusted to achieve a custom fit. Besides, there is a insect net attached on the front of the helmet. Suitable for road / mountain cycling and other biking activities.

This biking helmet is lightweight and comfortable. It weighs only 270g. It has 23 large vents, with the special aerodynamics and ventilation design, keeping you cool even in the hot summer.

It has 2 interchangeable visors (black and white), which reduce glare and provide eye protection during riding. The package also includes a carrying bag.

Complies with U.S. Consumer Product Safety Commission Safety Standard for Bicycle Helmets for Persons Age 5 and Older.