Arai Helmet Sizing Guide
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NOTE: These sizing charts are provided by the manufacturer
and/or distributor responsible for this brand. Atlantic Moto
makes no guarantees regarding the accuracy of measurements
and/or fit provided on this page.
Correctly fitting and sizing a helmet is an extremely important
process. There are many factors that go into getting the right
helmet size, no matter what you've "always worn".
Factors like head shape, cheek thickness, crown padding, and
so on go far beyond a simple size measurement. The right helmet
will not only be quieter and not move around on your head,
it will do a much better job of protection.
Use the charts below to determine your correct Arai
Helmet Size.
You may also find the following PDF useful when choosing your
arai helmet size
Like our optional Removable / Replaceable Cheekpads that allow
you to more custom-fit your Arai, we offer the same option
on above models with Removable Liners.
NOTE: When ordering an optional Liner of a different size,
you must order the same Lining Code that comes in your helmet,
and then specify the desired thickness. For example, if
you desire an optional 5mm liner for a "Large"
helmet, you must specify an "III-5mm" liner.
Arai Motorcycle Helmet Size Selection
& Head Circumference
Arai Motorcycle Helmet Interior Headliner
Thickness
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THE IMPORTANCE OF ARAI MOTORCYCLE HELMET
'S 3 INTERIOR SHELL SHAPES TO YOU
After many years of customer feedback, we have found that
helmet satisfaction starts with understanding - most importantly,
understanding how proper fit affects helmet performance during
everyday riding. And, with Arai, how that comfort extends
to the actual shell shape itself, which is why we offer three
different interior shell shapes. (Arai does not believe that
all-day comfort can be achieved by trying to stuff every head
shape into a single helmet interior shape.)
In order to offer the most comfort, a helmet must fit snugly
around the entire head contour. (This is partly determined
by firm, even pressure at all contact points, and without
pressure points that could become uncomfortable in the future)
A previous helmet of the same brand, model and size - even
if an Arai - may not offer the same fit as a current model
or size because the evolution of design and use of new materials
can affect the final design. ( For example, such advances
and refinements have made our new RX-7 Corsair and Quantum-2
shapes able to fit more riders than their immediate predecessors,
the RX-7 RR4 and Quantum/f.)
Attention must be paid to the fit of the model's shape
around the crown of your head and not with facial fit. (The
part that is contacted by a baseball cap's band, for example,
is the crown) Cheek pads in all Arai helmets can be replaced
with a size that better suits your facial structure, so
they should only be addressed after the crown is properly
sized. All too often tight cheek pads will result in purchasing
a helmet one or even two sizes too big — in effect
sizing the face and not the head! The end result will be
a loose and noisy helmet, as described above. (Riders with
a strong jaw or heavy cheeks should first remove the cheekpads
completely in order to not be distracted in determining
crown fit.)
How can you determine which Arai interior shell shape is
best suited for you? In general, our interiors for the North
American markets have an oval shape orientation (somewhat
longer front-to-back and a little narrow from side-to-side)
because that is the shape that tends to fit most of us.
Our different models then vary slightly based on that general
Oval shape to accommodate a much wider fit range.
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1. LONG OVAL (very long
front-to-back, veroom for those who find that most helmets
have pressure points in the forehead. ry narrow side-to-side).
On this end of the scale, we have the new Profile model,
offering additional forehead |
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2. INTERMEDIATE OVAL
(a little shorter front-to-back and a little wider side-to-side
than the Long Oval). This next fit package comes in
our RX-7 CORSAIR model, which begins the shift from
oblong towards round. |
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3. ROUND OVAL
(even a little shorter front-to-back and a little wider
side-to-side). This next fit package is represented
by both our Quantum-2 and our Astral-X models. |
The Astral-X has a slightly more "relaxed" fit
- a bit more room in the forehead area — mainly because
the Astral has a non-removable liner.
The Quantum-2's liner, on the other hand, is fully-removable,
which makes it feel a bit more "round". Be sure
to try both on to determine which feels better on your head.
No one pays more attention to the subtle variations and
the infinite possibilities of the human head shape than
Arai. And, even though we know we can never build a perfect
shape for everyone, we go to the extra time and expense
to make a genuine effort to offer shapes that allow more
people to find a better and more comfortable fit than by
simply offering one model. This is why it is important for
you to understand the different aspects of sizing as it
relates to brands, models and in Arai's case — interior
shapes.
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