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Smith Quantum MIPS Helmet

up to 40% Off
sale from $180.00 Original price:$300.00

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  • M
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Select a Color

  • Matte Hornet - Unavailable
  • Matte French Navy/Black - Unavailable
  • Matte Black/Charcoal - Unavailable
  • Matte Lava/Black - Unavailable
  • Matte Spruce - Unavailable
  • Matte Black Charcoal - Unavailable
  • Matte White Charcoal - Unavailable
  • Matte Red Rock/Ink - Unavailable
  • Matte Ink/Vapor - Unavailable
  • Matte Cloud Grey/Charcoal - Unavailable
  • Matte Oxide - Unavailable

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Why We Like The Quantum MIPS Helmet

Using the Aerocore construction pioneered on Smith's Variance Helmet, the Quantum MIPS Helmet offers impressive ventilation and impact-dispersion with its honeycomb-inspired Koroyd material. Improving upon the best-selling Variance Helmet, the Quantum MIPS features Exoskeleton zonal impact protection that reinforces the sides, which are prone to damaging impacts. As you'd expect from a premium helmet, the MIPS liner increases protection in the case of an angled impact. This low-friction liner allows the helmet to rotate independently around your head in the event of an impact, helping to dissipate rotational forces.

  • Premium protection, style, and comfort define this helmet
  • Aerocore construction with Koroyd for ventilated protection
  • Exoskeleton zonal impact protection along the side panels
  • MIPS low-friction liner dissipates rotational impact forces
  • 22 total vents with dual regulator climate control
  • XT2 lining wicks moisture and combats odor
  • Boa FS360 fit system with forward and lateral adjustment
  • Accommodates Outdoor Tech audio systems (not included)
  • Item #SMI00FP

Shell Material
Aerocore construction featuring Koroyd, Hybrid shell (ABS hardshell with In-Mold technology)
Impact Foam
EPS foam w/MIPS low-friction liner
Multiple Impact
Audio Compatible
yes, Outdoor Tech audio systems
Audio System Included
AirEvac 2 system (22 vents), dual regulator adjustable climate control
Fit Adjustment
Boa 360 fit system, Fidlock chinstrap
ASTM F 2040, CE EN 1077:2007 Class B
Claimed Weight
1lb 7oz
Recommended Use
skiing, snowboarding
Manufacturer Warranty

Tech Specs

What do you think about this product?


>Rating: 5

Cold AF

I've used it several times
True to size
Size Bought
6` 2"
190 lbs

Only complaint may not be avoidable for MIPS helmets, but you must know that this helmet is like skiing with an air conditioner on your head. I can be perfectly warm on the rest of my body, but due to the MIPS interface, there's no insulation AND there's an air gap around your entire head. Skied it a few warmish days in SLC then this week at big sky. It's topping at 15 mid mountain, and I am skiing around with an ice cream headache every run. Fit is great, Smith googles obviously match perfectly, got some speakers and they are even better than I had expected. Chips 2.0 or something? When you put em in be sure to trim the foam so the driver is actually over the ear. Boa ratchet is great and even keeps it secure with my gopro max wagging around on my head like a teletubby. Chin strap clasp is awesome. I have the same on a fox dh bike helmet I got last year. There's a review saying it's difficult with gloves etc. To each his own, so I'll say it this way: if you hold the strap NEAR the other end, it automatically grabs the clasp. It simply doesn't get any better. I will never buy another helmet without this feature if I don't have to. I'm going to have to glue some soft foam around the perimeter in order to seal out the drafts, but otherwise super happy with this helmet

>Rating: 4

Great helmet; couple minor complaints

I've put it through the wringer

At the time of my purchase this was Smith's highest end helmet. I'm very happy with it overall, as it is comfortable, and the research suggests it will be a great option to have on my head if I ever were involved in a crash. For those of you considering wearing it with non-Smith goggles, I can tell you the Dragon X2's fit perfectly with it; I love the combo. The few aspects I find annoying: 1) It has a magnetic chin-strap clasp, versus the typical push-in / pinch-out style common on most things for the last decade. What this magnetic clasp adds in ease of removal, it it also adds tenfold in annoyance for connecting it; no matter what I do, with gloves on, I can never seem to get the two sides to connect properly; it's annoying enough I'd prefer to just go back to the old style. 2) The fabric parts range from difficult to impossible to remove for washing, so I wear a headsock under it, which is not always desirable. 3) Limited color options. Adding a pic with the Dragon X2 goggles so you can see the flush fit.

>Rating: 5


Upgraded my helmet to the MIPS system this season. The micro adjustments allow for a perfect fit. The ears are well insulated but the helmet doesn't have any other insulation just a bit of padding. The new design is really light and has a new buckling system which will be easier to take on and off with gloves on.

>Rating: 5

Smith is tried and true

I've put it through the wringer

I love smith helmets and goggles. This helmet is no exception. I have actually been more happy with this helmet than I was with my Vantage. It is a different fit, and it feels a lot more snug. The magnetic strap is convenient when you just put your gloves on and forgot to strap yourself in. All around a great helmet, and it looks badass.


What jacket is that?

Also Pictured is the Eider Shapr Jacket

>Rating: 2

Recall Strap

I've put it through the wringer

I am glad the helmet is more safe now, but the recall strap is cumbersome and does not have the convenience of the old strap. Buy a vantage and save money.

>Rating: 2

Quantum Recall

Got this helmet in March 2017 - excellent features, excellent fit, really liked the new chin strap (lightweight webbing, thin Y retainers, nice thin profile chin pad, one handed tighten/loosen feature, magnetic buckle). Fast forward to winter 2017/2018 - Smith issues a recall (which is good - safety first you know), but what I get back from Smith is an excellent fitting helmet with a standard chin strap (minus the fidlock buckle which is not nearly as thin profile or aesthetically pleasing as the last buckle). It sort of drives me nuts to have paid the extra money for the whole package that was the Quantum helmet ($300) to now just a year later basically have a Vantage helmet ($60 cheaper). I talked with a rep from Smith and told him I was disappointed that they had not engineered a safe replacement that had the nice features previously available. He mentioned that you are really buying the helmet - I have to disagree. I ultimately have a functional and safe helmet now, but am bummed that I'm now missing what I considered to be a big selling point of the Quantum (again, you can get MIPS and Koyroid and adjustable vents, etc. in a cheaper helmet offered by Smith that comes with the cheaper features). Buyer beware of the latest and greatest I guess -

>Rating: 4

MIPS and Style Is Money

I've used it several times

Smith's Quantum MIPS helmet is a heavier move for me as I've rocked a Maze for a while and have loved its coverage while keeping the weight light and a bit of style. Here, the coverage and style increases with a gain in weight. Am I regretting it? Oh no. The weight actually feels welcome, especially in a resort setting and the adjustable venting actually works along with the goggle retention system being the nicest its been from Smith. Will gram counters stay away? Yes they should, but all other riders should give the Quantum a good shot.

>Rating: 5

Excellent helmet

I've used it several times

This helmet is very comfortable with tons of ventilation holes and matches perfectly/fits perfectly with my Smith I/OX turbofan over the glasses goggles.

>Rating: 4

Built for speed

I've used it several times

I have about 15 days in this helmet so far. The fit is on par with other smith helmets I've owned (I wear a large in Smith bike and ski helmets) and I find it just a comfortable as the Vantage and Maze. The ventilation system is excellent and only loud when skiing with them open. The Quantum is definitely heavier than other helmets from Smith, but I don't really notice the weight.

>Rating: 5

Everything you want

I've used it several times

This helmet really everything you could want or ask for, for head protection. It is super comfortable, slides on smoothly, there are not hotspots, incredible ventilation, and the boa system truly dials in to your preferred tightness with ease. It is quiet and stays in place regardless of how much twisting I am doing or when the slopes get chunky. This piece is top of the line in quality, style, protection and comfort; it's everything you could want. Fortunately I have not had to rely on the MIPS yet, however, I have full confidence it would preform as designed, with no complaints.

>Rating: 5

Great helmet

I've used it several times

I really like this helmet after retiring my Burton Red I used for 10 years. The helmet is very comfortable so far after 3 days of use . It is about 5-6 ounces heavier than most helmets but it feels light to me. I couldn't even tell it was on after riding this season with no helmet. The only thing I think that could be improved are the ear-pads. My ears were a little sore and red after wearing it with a balaclava. The next day I didn't wear the balaclava and it was better. The open vents kept my head cool, and dry. The Fidlock chin strap is the best, very easy to use and adjust. The BOA works well, it needs to be adjusted with a thin glove or bare hand though. I would recommend that the helmet should come with a better helmet bag to protect it in transport but overall it is a great helmet.

>Rating: 3

Bulky and noisy

The fit is good but this helmet feels huge. I also read reviews about noise and I could hear it when moving my head around. Otherwise this is a really high quality helmet. If you don't mind the bulk and noise this helmet could be a great choice. Just not for me.

>Rating: 4

Thumbs up. Heavy

I am pretty picky about my gear particularly fit and this helmet is working for me. I have been searching about for a new helmet for a couple seasons now but this is the first helmet that has worked for me. I wanted something speaker compatible with MIPS. This helmet fits significantly larger than the Vantage. That is where it is working well for me. The Vantage MIPS medium was way tight whereas the Vantage MIPS large was just too big. I have a Quantum Medium and the fit is perfect, not too tight, not too loose. BTW, you would need a pretty big head to fit a quantum large IMO. Update: I have about 15 days on this helmet and have noticed a significant downside. The helmet is heavier by around 4 oz or so compared with comparable models on the market including the Vantage. Honestly, this rather baffles me...why would Smith put out a new top of the line helmet and have it be so weighty.

Hey Benjamin, are you a solid Medium on other smith helmets (other than vantage mips). I also heard about and tried the fit issues with the vantage mips despite being a Medium on other 3 smith helmets, vantage is a no go. Is the quantum kinda the same as other helmets besides the Vantage?

2018 Vantage Medium for me cranked wide open just too small versus older Vantage Medium model that had some room for me. So tried Quantum Medium and it’s good. So if you are on edge size Medium beware of Vantage 2018 model got smaller than previous year. Go with 2018 Quantum for best Medium size fit.


Fit Finder


What's the weight on this?

Weight is 21oz


Smith Quantum

Can the Smith Quantum be used as a bike helmet as well as a ski helmet, ie, can the ear flaps be removed to make it even cooler for summer wear. When I spend so much for a ski helmet, I am hoping to get a 2 for 1. Paul


Any idea if this has the same sizing issues as the vantage mips? The vantage mips definitely doesn't match its sizing chart, different than the non mips vantage which is spot on.