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  • Smith - I/O X Interchangeable Goggle -

Smith I/O X Interchangeable Goggle

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112 Reviews


Limits are made for pushing.

The Smith I/O X Interchangeable Goggles push the limits of what goggles can do. Huge peripherals and fog-free vision are packed in with unique space-age style. When you're dropping from the summit, these techy lenses auto-adapt to altitude changes to stop fog ups. Plus, when you're chatting up that hot thing at the midway bar, the I/O X are sure to mesmerize.

Proposition 65 Warning for California Consumers: This product contains chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm.

  • Seamless helmet integration makes your helmet and your goggles one streamlined unit
  • Spherical Carbonic-X lens with TLT optics are individually molded to offer you a clear, distortion-free view
  • Vaporator Lens Technology uses a Porex filter and a silicone seal to adjust to air pressure and prevent fogging
  • Quick-release lens system lets you swap out lenses at lighting-fast speeds
  • 5X anti-fog inner lens has a hydrophilic, micro-etched surface to stop fog before it can even start
  • Frameless design throws down with wide, unrestricted peripheral vision
  • Triple-layer DriWix face foam with fleece lining creates a smooth seal with your face and is insanely soft
  • Ultra-wide silicone-coated strap with QuickFit strap adjustment holds these goggles to your head
  • Microfiber goggle bag has a replacement lens sleeve to safely get your goggles to and from the mountain
  • Item #SMI0898
  • Reviews
  • Q & A

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Big giggle big view

    A lot of people warned me before getting these saying they were the biggest style frame Smith has to offer. And they were. But I love it. My face is actually wider anyway, I look fine in something comparable like Oakley crowbars. My peripheral view thanks me when I look around. The color way of orange and gray is awesome. The lenses are different and perfect for either a sunny day or lowlight day. I can’t wait to wear these. Can it snow already?

    Definitely for big faces

    • Familiarity: I've used it several times

    The goggles are awesome, true Smith quality and great clarity. The choice of lense tints is incredible and swapping lenses is super fast. This review is mostly in regards to the I/OX size in particular. It is huge. If you have a large face then these goggles would be great, but if you are just looking for a little more peripheral vision or to close that helmet gap, don't buy these. They definitely look a little weird if you have a normal sized head. I rocked them all last season and functionality wasn't an issue, but every time I saw myself in the mirror I cringed at the bug-eyed look. Great goggles nonetheless and it is great that smith offers their best goggles in sizes to fit every face. I'm going to purchase the regular I/O for this season though...

    Pretty BIG!

    • Familiarity: I've put it through the wringer

    I knew these would be pretty big when I ordered them and they definitely are. I was a little hesitant on keeping them but rolled with it. The lenses are awesome and I never once had a problem with fogging. My one complaint though was the top vent is huge and let's allot of air in when just cruising at faster speeds. At times my eyes felt frozen literally and I would place a hand on top just to block air from entering. This big space up top did come unglued and I am not sure if it was from the wind ripping through but I know it definitely was not from me poking it with my hand or anything else. But it was a simple fix with a little bit of super duper glue. Overall awesome goggles but definitely geared for larger heads I wouldn't recommend even if on the verge of large, just do the I/O's if in question.

    Pretty BIG!


    • Familiarity: I've put it through the wringer

    One day out on the slopes I was skiing with a group of friends. Before I had these goggles I didn't notice how bad my peripheral vision really was, until me and my friend collided at the apex of both our turns and nearly knocked each other out. The I/OX increases my vision, and allows me to navigate the terrain safely.

    Takes lots of abuse and still performs

    • Familiarity: I've put it through the wringer

    I have had this goggle for 3 seasons now and its been put through the wringer for sure. As an outdoor professional this goggle has over 300 days on them for me and they still perform like new. Both lenses in the kit have taken multiple tree branches and impacts without any cracks or scratches. There are a few scuffs but are not noticeable while wearing them. Anti fog performance is great and they even repel water and sleet quite well to keep the wiping to a minimum.

    Takes lots of abuse and still performs

    world of difference

    • Familiarity: I've put it through the wringer

    These goggles are simply amazing in every kind of condition. Also, I wear glasses (hate contacts) while skiing, and these are the first goggles I've ever worn that make me forget I'm wearing glasses - no pressure on the nose, no fogging, just skiing. From bluebird to whiteout I couldn't recommend them more

    Smith...'nuff said

    • Familiarity: I've used it several times

    No one evers 'needs' anything gear-wise, just wants new gear...same here. My 'old' googles were fine, I just wanted a new pair...these, obviously, rock. Extra, low-light, lens included and the main bright light lens is great....LOTS of visibility. Lens interchangeability is a snap and could be done on the fly if need be....bottom line, go get a pair.

    I can seeeeeeeeee

    • Familiarity: I've put it through the wringer

    This goggle is Smith's best for a reason. The interchangeable system is super easy and secure. All the lenses have great clarity even when I get sweaty.

    Best Goggles

    • Familiarity: I've put it through the wringer

    These are the best goggles you will ever own. They have a great fit and a wide peripheral. I also love that they come with a high light and low light lens that is very easy to swap out.

    11/10 for this one

    • Familiarity: I've used it several times

    Amazing goggles. The fit is great, and so are the lenses. It makes skiing in low visibility no problem, and makes those sunny days even more enjoyable. I have always been a fan of bigger goggles, because they keep your face warm! These definitely are my new favorites in terms of goggles. Smith has done it again!

    I/O X for life

    • Familiarity: I've put it through the wringer

    Great fit, easy to change lenses, clear vision. I like the wide view out the lens. It looks like it sits on the tip of your nose, but the way the foam is cut, it sits on the bridge.

    Swapping out the lenses are wicked easy. The Red Sensor mirror lens is great for low light conditions. Clear is still the best for fog. The blackout lens is perfect when the sun is out.

    This (or future variations) are my go to goggle for life.

    Great Goggles

    • Familiarity: I've used it several times

    I needed an upgrade from my very old Scott goggles. These were recommended by my wife (who bought hers last year). I was concerned about the reviews that spoke about the fit being small for large heads. But they fit great and are super versatile with the interchangeable lens. Used them for one season and love them so far.

    Cant go wrong with smith IO

    • Familiarity: I've put it through the wringer

    I have had many different goggles in the past from electric, Oakley, and more in the past. When out on the mountain these pieces of equipment are so key to performing well. The issue i always came across was durability. Smith hit the nail on the head with these lens as they integrated the fog x lens treatment. This uses a hydrophilic lens coating which absorbs and disperses moisture across the lens eliminating fog. They actually put these through the test and it withstood 120 seconds of constant fogging in a lab, and i can attest this on the mountain as i have never had a problem. The other advantage is with the multi lens system. Sol-x for high light days are great at protecting the eyes but the sensor lens really makes a difference on flat light days. These sensor lens increases the visibility of shadows that bumps and flat spots create. If you have ever skied on a flat light day you know how important it is to be able to quickly react to variable terrain, and these goggles give the best shot at it. Do yourself a favor and go the IO route. If you have any questions i am available 7 days a week to chat about my experience with them:

    Cant go wrong with smith IO

    second pair

    • Familiarity: I've put it through the wringer

    This is my second pair of the I/0X and love them, i bought a second pair simply because the first had lived their lives to the fullest. I put a lot of days and wear and tear on these and have never had issues, the foam just got somewhat gross after 3 years of use and needed a replacement set. these are worth every penny, never get fogging easy to change lenses when needed and comfortable, compatible fit with smith helmets

    Always 1st to recommend!

    • Familiarity: I've put it through the wringer

    I love these goggles, and always are the first goggle I personally recommend to customers looking for the best. Any of the Smith I/O series will fall into this category, the I/O X are just the largest lens out of them. Anti-fog is killer, I have never had a problem on the hill unless I don't take my goggles out of my case and dry them (my own fault!). The lens quality is also pretty awesome, and if you forget your low-light lens on a powder day, you will still be able to see the bumps in the snow with your high-light lenses. Pair with any Smith helmet for perfect compatibility. Lens changing system is very straightforward and once you get it down, it takes less than a minute to swap lenses.

    Always 1st to recommend!

    Upgraded From I/0s

    • Familiarity: I've put it through the wringer

    Bought theses goggles when i broke my I/0s . Love them and never have had a problem with them fogging up on me. They fit my face well and work good with my smith helmet.

    Upgraded from I/0 S to X

    • Familiarity: I've put it through the wringer

    I have been a Smith Goggle user and fan for the past 7 years. I upgraded to the Smith I/O X (from the S) for the increased peripheral vision which makes a meaningful difference. As always the optics in Smith goggles are stellar and I have never once had fogging issues. Pair Smith goggles with a Smith Helmet (like the Variant which I have) and you are set.

    Has anyone purchased or tried the Asian fit?
    Does it solve the problem of our lack of a nose bridge or does it create new issues with air seal around the cheeks and eyes.

    Hey Mike

    Although I have not tried the Asian fit, I'm an Asian and I purchased the normal fit one. It did not create any problems for me, and I feel that I have a typical Asian face. I don't think the lack of a nose-bridge was a big deal, and the seal around my cheeks and eyes were pretty good. Best goggles I've owned

    Hope this helps!

    what are the best lense color to have clearest and brightest view? i have nike khyber transition goggle and i found it too dark and its yellow tint is too much for me. i wanna go back to smith goggles this time. what are your suggestions?

    Hey TAEK GEUN,

    My favorite Smith lenses are the Green Sol-X for bright, sunny days and the Red Sensor Mirror for cloudy days. Feel free to contact me directly to discuss all the different lens options for the I/O X Goggles.

    Kyle L. - Expert Gearhead

    How do these integrate with a k2 Rival Pro helmet. I really want/need a pair of these but I want to have them sit well with my helmet. Any info would be super helpful.

    Best Answer


    The Smith IOX will definitely work with their Seamless helmet integration designed to make the helmet and goggles streamlined as one piece and is compatible with your K2 Rival Pro helmet. A Smith Helmet may be the best fit for the goggle being that smith makes their products to fit their goggles, but you should be sittin' good and comfortable with these with the current helmet you've got.

    If you've got any other questions feel free to hit me up on my direct email : or my direct extension at 800.409.4502 ext 4789 and I'd be stoked to help get you dialed in with the right gear for you.

    Hello I'm 15 and have a pretty large head bigger than my 17 year old brother, would these be ok for me or should i go with the I/O.?

    Hey Mitchell,

    I'd say you'd be good to go with either pair of Smith's that you'd choose. Sounds like your brother may have a smaller head than you do, which means you'll have a wider variety of choices for goggles and helmets.

    If you have any other questions feel free to hit me up on my direct email at

    Will these fit over the glasses? Smith's...

    Will these fit over the glasses? Smith's website says that it fit over the glasses while this website says its not eyeglasses compatible. Also I tried a pair of I/O at a store and it didn't quite fit with my glasses.

    how do these goggles fit with a poc receptor...

    how do these goggles fit with a poc receptor bug helmet?

    They will fit will most if not all modern helmets. If you are like some that wear the strap on inside of helmet instead of the outside then you're going to feel a little bit of pressure from the QuickFit strap in the back but it's not that big of deal provided your helmet is not small on your head to begin with. Other than that the goggles are compatible with POC helmets yes.

    How do these fit with the smith maze...

    How do these fit with the smith maze helmet?

    Really well. Smith designs all of their goggles and helmets to work together and they essentially mirror the curves on the top of the goggles with the curves of the helmet brims to match up for really good style and ventilation.

    I've got the maze and I/OX and love that combo.There's no gaper gap and it fits the helmet perfectly. Only complaint is that the plastic connection on the goggle doesn't always fit best with the goggle clip. Other than that it is a perfect match. Any smith goggle and smith helmet setup will likely work great though.

    Unanswered Question

    Any chance you guys are going to get more...

    Any chance you guys are going to get more I/ox in stock?

    Where is there a description of how the...

    Where is there a description of how the various IOX lens (colors) relate to light conditions when skiing. I find the older colors, but not the new ones on the web site Oct. 2012

    G-Papa, you'll need to check out smith's site for the specs on lenses, here is the link. For some unholy reason they don't show any info for the Blackout lens but everything else is listed.

    Unanswered Question

    "Plus, when you're chatting up that hot...

    "Plus, when you're chatting up that hot thing at the midway bar, the I/OX are sure to memorize."

    I think you mean mesmerize.