Smith Optics Wilder Junior Mips MTB Mountain Cycling Helmet

- Lightweight in-mold construction
- MIPS® Brain Protection System reduces rotational forces caused by angled impacts to the head
- VaporFit™ dial adjustment system offers 270-degree fit adjustment with the turn of a dial
- Designed for ultimate integration with Smith performance eyewear and goggles for maximum comfort,venting and storage convenience
- AirEvac™ ventilation system integrates with Smith goggles and eyewear for fog-free lenses
- 20 fixed vents for consistent airflow
- Integrated visor
- Performance comfort lining
- Lightweight, low-bulk single layer webbing
- Weight: (Size XS, MIPS®):10oz / 270g
Occasionally, without notice, manufacturers change product design and/or specifications.

Smith Helmet Size Guide
Use the below chart and guide to find the correct size Smith helmet for you.
|
Head circumference (cm) |
S |
51 - 55 |
M |
55 - 59 |
L |
59 - 63 |
XL |
63 - 67 |
How to measure
To find the circumference of your head, place a tape measure in the centre of your forehead, wrap it around above your ears and around the back of your head. If there's a slight difference between two different sizes, always go for the tighter size.

Once you know the circumference of your head, see the available sizes shown on the product and select the appropriate one.
The majority of cycling helmets have some form of adjustment for size, usually in the form of a ratchet adjuster to tighten or loosen the straps, some helmets will also come with different thickness pads to further customise the fit.
Read our clothing size guide for more information on sizing.
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