The next generation of our best-selling O'NEAL DIRT LID ZF Helmets now with Zone Flex technology Additional Retention system for perfect fit The EPS liner is made of segments that can flex giving more comfort and allowing for more ventilation. The segmented EPS construction gives a more comfortable fit with improved airflow. O`Neal Fidlock ® magnetic buckle for easy, single- handed fastening and release. Large vents to keep your head cool Removeable pads for easy washing and tailored fit. Exceeds EN1078 safety standard for bicycle helmets.
- CE / CPSC / AS/NZ Certified
- Available in Matte Black or Matte White
- Weight: 450g
- Lightweight ABS shell
- O`Neal Fidlock ® Magnetic Buckle
- Fitting: S/M - 54-56cm
- Fitting: M/L - 55-59cm
- Fitting: L/XL - 58-61cm
To accurately measure your head, use a cloth tape measure wrapped around your head horizontally about one inch above your eyebrows and ears, take the CM measurement of the circumference of your head.
NOTE: Always aim to get a tight fitting helmet, if you fall between sizes round the size down, not up. The exception to the rule being kids as they are growing you would be safe to round up to the nearest CM to allow for room to grow. Everyone has a slightly different shaped head, and most helmets are a slightly different fit from brand to brand.