Once you select the option, estimate delivery time will be displayed.
*Shipping date and Estimate time of arrival are not guarantee.
Once your orders are placed, we will check the stock of manufacturer and send you the confirmed Shipping time via e-mail.
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
color
white
color type
solid
Helmet SG mark
○
Helmet PSC mark
×
Color: White Standards: Weight: 1.66kg (M size measurement) Special fitting pads included (1 set each of soft and hard)
*There may be changes in product specifications due to the manufacturer's reasons. *Images may contain other colors.
The "ALL-TERRAIN EXPLORER" MX-9 Adventure is a crossover helmet that can be used in a wide range of applications from unpaved singletrack to city asphalt roads. The face shield is anti-fog/scratch/UV-cut treated to ensure clear visibility. The shield can be removed and goggles can be worn for a quick off-road style. Excellent features include MIPS impact protection system, Velocity Flow Ventilation (VFV), and a removable and washable antimicrobial liner. Dirt Freak's official products are supplied with special fitting pads to improve fit and hold of a helmet.
[SCIENCE IN MOTION] MIPS (multi-directional impact protection system) Technology in which the slip plane helps to dissipate the impact of rotational energy.
■WHY IT'S IMPORTANT When the head is subjected to a rotational (oblique) impact, the rotational acceleration places a large burden on the brain tissue. This may result in various types of brain damage. Helmets with MIPS technology provide effective protection against this specific impact.
■HOW IT WORKS Rotational Energy Management The "slip zone" in the impact liner moves slightly between the layers of the inner layer, reducing the direct impact and consequently the amount of rotational energy transmitted.
[TIME IS EVERYTHING] Bell engineers have spent more than 60 years studying the forces involved in collisions in a variety of scenarios. Recent studies have concluded that brain damage caused by angled impacts is more severe due to the greater burden placed on the brain tissue. MIPS copes with this impact by sliding independently of the helmet by only a few millimeters. At this moment, the movement of the brain in the skull can be suppressed and the burden on the brain caused by angular impact can be reduced.
[THE MINDS BEHIND MIPS] MIPS AB was founded in 2001 by Hans Peter, a graduate of the Royal Institute of Technology in Sweden, and three other experts in the field of biomechanics. He has extensive and in-depth knowledge of head and neck injuries through his research on injury prediction and simulation of head and neck injuries using advanced data methods.
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.
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