Arai Helmets Size Chart

Arai Helmet Size Chart | Find Your Perfect Fit

Arai is one of the most respected names in motorcycle helmets, known for exceptional safety, comfort, and craftsmanship. To ensure your Arai helmet performs at its best, choosing the right size is essential. Use the Arai helmet size chart below to find your ideal fit based on your head circumference.

Arai Helmet Sizing Guide (Adult)

How to Measure Your Head for an Arai Helmet

Use a soft measuring tape.
Measure around the widest part of your head — typically just above the eyebrows and ears.
Compare your measurement to the chart above to find your size.
If you're between sizes, we recommend sizing up for comfort, especially for long rides.

Why Proper Fit Matters with Arai Helmets

Arai helmets are engineered with precision for a snug, secure fit. A properly sized helmet enhances:

Impact protection
Noise reduction
Rider comfort
Overall safety on the road or track

Shop Arai Helmets at BTO Sports

Ready to find your perfect helmet? Browse our full selection of Arai helmets here — including top models like the Arai XD-4, Arai Corsair-X, and Arai VX-Pro4.

Whether you're looking for an adventure, sport, or off-road helmet, we've got options in stock with fast shipping and expert support.