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Item # SMI00CC

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Item # SMI00CC


Smith Optics has become an icon for its stellar lineup of killer shades, snow helmets, and goggles. But the boys in Sun Valley spend most of the year riding mountain bikes on the region’s countless miles of singletrack, and they (understandably) want to keep their domes comfortable and protected during the warmer months as well. Enter the Forefront Helmet, which pools Smith's extensive knowledge of all things lid-related to bring feather-light construction and hard-hitting protection to your time on the trail.

Smith accomplishes a blend of minimal weight and maximum protection through the use of its patented Aerocore technology. This construction employs Koroyd material, which looks a lot like the bundles of straws you may have used in science class to protect eggs when you dropped them off a roof. That resemblance isn't a coincidence, as this honeycomb construction yields a claimed 30% reduction in forces transmitted to your noggin when compared to EPS foam, the industry standard. It’s particularly useful for building helmets because it requires a minimal amount of material, so there’s no unnecessary weight. It also has the desirable effect of maximizing airflow, keeping you cool when you’re working hard.

The helmet's interior features an X-Static lining with Reactive Cooling Performance to help manage odor and keep you cool. Fit tuning is handled by Smith’s VaporFit retention system, which utilizes a click-wheel adjuster that’s borrowed from Smith's well-tested snow helmet division, so you know it’s solid. The AirEvac ventilation system, which channels hot air out of the tops of your glasses or goggles to reduce fogging, is another import from the snow program.

While the Aerocore construction has plenty of advantages, unrestricted, large vents for clamping attachments isn’t one of them, which is why Smith includes integrated camera and light mounts. Using a threaded brass insert atop the helmet, you’re able to pick up an aftermarket mounting kit with custom mounts for your POV camera or light. While it does require accessories, the upshot is that the mounts are far more secure than the standard strap mounts used to attach those items to other helmets, and the benefit is immediately clear when your POV footage becomes a lot less shaky.

Tech Specs

Shell Material:
Aerocore technology featuring Koroyd
Multiple Impact:
Fit Adjustment:
yes, adjustable/removable
Full Face:
Claimed Weight:
[size medium] 285 g
Recommended Use:
mountain bike
Manufacturer Warranty:

Size chart


Arrival, Aspect, Camber, Compass, Forefront, Gage, Maze, Overtake, Sequel, Valence, Vantage, Variance
Head Circumference  20 - 22in
(51 - 55cm)
22 - 23in
(55 - 59cm)
23 - 25in
(59 - 63cm)
25 - 26in
(63 - 67cm)
Allure, Holt
Head Circumference 20.5 - 21in
(52 - 54cm)
21 - 22in
(54 - 56cm)
22 - 23in
(56 - 58cm)
23 - 24in
(58 - 60cm)
24 - 25in
(60 - 62cm)
Gage Jr, Holt Jr, Upstart Jr, Zoom Jr
  Youth SYouth M 
Head Circumference  19 - 21in
(48 - 53cm)
21 - 23in
(53 - 58cm)
How to Measure Head Circumference:
Measure around your head where your hat would fit comfortably.

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Rad Brain Bucket

  • Familiarity: I've put it through the wringer

Ok so I have a slightly funny oval shaped head and its a 22" circumference, and I picked a Medium. It fits well. There are lots of cool colors and the helmet looks rad while keeping your noggin' safe.
-Some helmets don't fit my head well. This one does. The dial also
-One of the more lightweight helmets, but definitely no doubt of protection here.
-Like Kyle's review below, I also have the Smith PivLock glasses that can "clip" into the helmet. They pair well with the helmet. They also can fit into the front vents.
- This might be a personal issue, but my head can get itchy when its hot out - the Koroyd material makes it pretty much impossible to scratch without taking off the helmet. I don't think it breaths as well as some other helmets with "clear" vents to be honest. That said, you likely won't notice unless you're sloggin' up a brutal climb on a very hot day.
-Its not cheap. There are other great helmets out there that have MIPS that are half to a third of the price. That said, in terms of quality, Smith helmets are nop notch and I would have no qualms about spending as much as I did again!
-Fantastic helmet that looks rad and keeps you safe that is super lightweight. I bought this helmet before the MIPS was an option for it, I probably would have gone with that.

Rad Brain Bucket

1.21 Gigawatts!

  • Familiarity: I've put it through the wringer

And you thought Doc Brown had the only formula to time travel to the future! It seems my Forefront Helmet does as well as seen in the picture below from Snowbasin last summer. Or maybe the helmet was travelling faster than me. We will never know the truth.

Born from the hard work of a bunch of guys and gals in Idaho (thanks Mr. Sours!), this helmet has quickly become one of the most popular on the market. I have found that the Koroyd material combined with the AirEvac ventilation system is super breathable and after a couple minutes of riding you barely notice you have this bad boy on your head. Paired with the Smith Pivlock sunglasses I have spent many hours in the saddle with no fogging or significant sweat build up on my glasses. I took a couple tumbles last season, none too serious, and my Forefront did its job admirably in protecting my precious cranium. It is not multi-impact but I did not seriously impact my head so my helmet is still going strong. And finally for those looking to catch the ultimate shred footage, there is a built in camera mount that I use for a bike light for night riding.

I would highly recommend this helmet and feel free to shoot me any questions on bike helmets or anything mountain bike related.

Kyle L. - Expert Gearhead - - 801-736-4337

1.21 Gigawatts!

Kyle, some say the helmet doesn't ventilate well, or basically stays a little hot. Have you ridden it in hot weather and if so, your thoughts?

Hey David - I have ridden with the Forefront in Moab and Fruita, CO in some pretty hot weather and not had any issues with the ventilation. I tend to run pretty hot and sweat a lot too. There are definitely other helmets with better ventilation if you are riding in hot weather exclusively. I would put the Forefront at a 3/5 for ventilation.