Arai Helmet Size Guide

Finding the perfectly sized Arai helmet is very important in terms of safety and comfort. Luckily, finding the correct size is simple.

Here’s how to measure your head for an Arai helmet:

  1. Use a fabric tape
  2. Measure your head around the forehead as in the image below
  3. Use a friend to help if possible
  4. Compare your measurement to the chart below
Head Circumference (cm) 51-52 53-54 55-56 57-58 59-60 61-62 63-64
Arai Helmet Size XXS XS S M L XL XXL