Sizing Chart

When buying a helmet it is important to ensure that you have measured your head correctly.Due to varying head shapes, heads that are the same size when measured by a tape may not necessarily fit the same size helmet. Please see our Head Shapes section to get more information.

It is important to measure the circumference of your head.If you have longer or shorter hair, there may be some tolerance either way. So if you prefer a tight fit, we recommend a smaller size and if you prefer a loose fit, go for the bigger size. Take several measurements to make sure you have the correct one.

The correct way to measure your head:

  Note: After measuring your head you may find yourself between sizes on the Arai sizing chart – when this happens you should opt for the smaller helmet size, as the interior helmet padding will give way relatively quickly, and will ensure your head fits snugly.