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Size Charts


How to Measure Your Head For Different Helmet Sizes

The primary reason for buying a motorcycle helmet is safety and protection to your head in the event of an accident. To get the best protection your helmet needs to provide a really good comfortable fit. A bad fitting helmet can come off in an accident even if the chin strap is done up.

Getting the right fit

In order to find a motorcycle helmet with the correct fit, you should know your head size measurement before you buy any helmet. Here's the golden rule for finding a good comfortable fit: Your head size + Your head shape = comfortable fit

How to take the correct measurement of your head size

First, you need a small metal tape measure or a cloth tape to take your measurement. If possible ask someone to help you do the measuring in order to get a more accurate measurement.

- Measure around the fullest part of your head just above the ears, taking the measurement at the forehead.

- The circumference of the head should be measured at a point approximately one inch above the eyebrows or at whatever point gives the largest possible measurement.

- Then check the SIZE CHART provided for a correct custom fit.

(Size / Inches / Centimeter)

XS / 20 1/8" - 20 1/2" / 51cm-52cm

S / 21 5/8" - 22" / 55cm-56cm

M / 22 1/2" - 22 7/8" / 57cm-58cm

L / 23 1/4" - 23 5/8" / 59cm-60cm

XL / 24" - 24 3/8" / 61cm-62cm

2XL / 24 3/4" - 25 1/8" / 63cm-64cm

Know Your Head Shape

Although human heads have an infinite variety of shapes and sizes, most of us fall into these two categories:

- Very narrow, 'long oval' head shapes

- Very wide 'round' earth head shapes

Some of us may have a combination of these two head shapes. It's possible to have combinations of these shapes in an infinite number of variations. Fortunately, many motorcycle helmets are manufactured with internal shapes that roughly match these "oval" or "round" shaped head categories.

Different Head Shapes

Below are an illustration of exaggerated human head shapes that is viewed from the front or back of the head:

- Oval: sometimes known as "long oval", the most common head shape.

- Round: the round-shaped head is wider in the middle, approximately near the temples.

- Egg: wider at the top and narrower at the bottom.

Why is it important to know your head shape?

It's important to know your head shape because you can roughly know which helmet brand and model will fit by matching your head shape to the helmet's internal shape.  Not every helmet will fit the same and almost every helmet brand and model is different. Shape is one of the most important factors to understand when purchasing a motorcycle helmet.

Lower-end helmet: Lower end motorcycle helmet manufacturers tend to produce helmets with a generic shape that will fit most of the customers.  The thickness of helmet inner lining, helmet cushion, and cheek pads are the components that will make a difference to your fit.

Higher-end helmet: SHOEI is the high-end motorcycle helmet manufacturer that have developed motorcycle helmet models that are specifically engineered to fit different head shapes.


Always remember - there are different helmets that are produced in a range of sizes to satisfy a mass market. Your head shape and size are unique to you, so take your time to use the above tips when selecting your new motorcycle helmet.




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