167.2 ~ USD (24,808 JPY)
Delivery Information
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Please select product form first.
Size Chart For Helmet
How to measure the size of your head
First, measure the circumference of your head with a measuring tape.
Measure from the highest point of your forehead, just above your eyebrows, horizontally backwards to the highest point of the back of your head and around.
Based on the measurement, choose the size from the table below.
However, unlike hats, helmets cannot be sized by head circumference alone.
Also, helmets of the same manufacturer may feel different even if they are the same size depending on the model.

Ordering Size | XS | S | M | L | XL | 2XL |
Head Measurement (cm) | 53 - 54 cm | 55 - 56 cm | 57 - 58 cm | 59 - 60 cm | 61 - 62 cm | 63 - 64 cm |
* This universal size chart is for reference only. Sizes vary by manufacturer and product.
Product detail
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color Black/Gray
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color type graphic
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Helmet SG mark ○
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Helmet Standard MFJ ○
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Helmet PSC mark ○
■Helmets for motorcycles
[manufacturer's part number]
・Size S: MJ0015 / S
・Size M: MJ0015 / M
・Size L: MJ0015 / L
・Size XL: MJ0015 / XL
・Size XXL: MJ0015 / XXL
Color: Black / Gray
Material: FRP
Standards: SG Standard / MJF Certification
Weight: Approx. 1200g
Speaker hole expansion
**There may be changes in product specifications due to the manufacturer's reasons..
This is a ZEALOT off-road helmet.
It features an intercom speaker hole which is rare for an off-road helmet.
The lightness and safety, which are the features of the previous model "MAD JUMPER", have been maintained, the MFJ certification has been newly acquired, and the performance has been improved with more user-friendly devices.
The back of the visor has a sheet that prevents the reflection of light.
Interior changed for easy adjustment of size.
Points of Attention
* The helmets sold on this site are based on the Japanese safety standard.
We are not responsible for accidents, damage, injury, or any other related matters as a result of purchasing this product.