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Got to be good-looking because it's so hard to see.

Smith combined sleek styling with its easy-to-use quick release system to make the I/O Interchangeable Goggle your go-to all-season goggle. Smith uses its Vaporator lens technology on the I/O to keep fog off your lenses for crystal clear sight on the mountain.

  • Medium fit for Medium faces
  • Quick release lens system for easy changes with no scratches
  • Spherical Carbonic-X Lens for clear, distortion-free optics
  • QuickFit Strap Adjustment system makes it easy to fix the fit on the fly
  • Ultra-wide silicone backed strap is comfortable and won't slip off your helmet
  • Dual layer UltraWix foam for all-day comfort and moisture management
  • Includes microfiber goggle bag with replacement lens sleeve

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Smith I/O Interchangeable Goggle

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Your community contributions

5 5

Love em!

  • Familiarity: I've put it through the wringer

I liked these goggles so much I bought a second pair when they were on sale for around $60 on SteepAndCheap. They don't fog up, the lenses are easy to replace, they look cool, they keep my eyes safe. I suppose they are a bit on the pricey side, but they're definitely high quality.

Only time I had any issue was in very cold conditions (-15F), the moisture coming off my face started to freeze on the inside of the lens, but I'm not sure there's much you can do at about it at that temperature. It only happened later on in the day, as well.

Both pairs I got came with 2 lenses and a very nice goggle pouch. The mirrored lenses are way cool looking, but honestly the non-mirrored are more practical once you hit that 3pm flat light.

5 5

Initial thoughts

  • Familiarity: I've used it once or twice and have initial impressions

I think I just bought my third pair of the I/O line and purchased these in the White frame with the red sensor mirror. I get the same old feel. I have a very narrow face so I do have a hard time finding more expensive goggles to fit my face. Usually the corners of my eyes have exposed air coming through because goggles do not seal. These extinguish that problem all together. These goggles provide a huge plain of view. I get a much greater field of vision and it allows me to use my periphery much more effectively. The lenses come in and out pretty easily, however it is no Anon M2 or M1 (but none on the market are right). What I do not like about these goggles is that the snap is directly on the back of the band and they awkwardly fit through my goggle clip on the back of my helmet. Huge bonus of the strap is it has a silicone rubber strip around the inside which helps keep my goggles up. My last pair of I/0 did not have this and would come down from time to time. This helps keep my goggles in place when I am really bouncing around. So much appreciated SMITHOPTICS. One last note, I use these with a POC receptor backcountry and they fit my helmet very well, no gaper gap! I have used them in the past with a Smith Variant and the fit was solid as well. Right now the price on these is a steal. The only place you will find them cheaper is on Ebay. I hope this helps you guys out.

Does this come with an extra lens? The...

Posted on

Does this come with an extra lens? The Sage version states it does but I don't see much for info regarding that on this I/O.

Responded on

Hey Johnathan,

This does come with a spare lens. In the dropdown menu the Extra in that variant title refers to the bonus lens.

Red Sensor Mirror in action

Red Sensor Mirror in action

Posted on

At the top of Circle All Peak

2 5

Fogged on day 1.

After extensively researching and reviewing goggles, I chose the Smith I/O as my fourth pair of goggles. I was disappointed that these goggles fogged on day 1. They are the first of my goggles that have ever done so. Thinking it was a defective lens, I switched to the lowlight lenses. They fogged also on day 1.

They fit my face well, though peripheral vision was not as good as my Oakleys or my Natives. The Smith I/O is not for me.

5 5

Its a hit

  • Familiarity: I've put it through the wringer

I am a big fan of Smith. I have used them on 30+ days of skiing this season and could not be more pleased. The I/O googles never fog on me, even when I am wearing my full face mask. One time I thought they were fogging on me, but turned out to be a heavy fog setting down on the mountain, not the goggles. They are very comfortable, I always forget that they are there. And lastly, the integration between the goggles and my smith helmet is great. The interchangeable lenses are a huge plus, my friends with only one pair of goggles are definitely jealous when they see me switch to a lens perfectly suited to the conditions. Instead of dropping a bunch of money on new goggles next season, I will just buy a new lens to play around with :)

4 5

IOX has much better peripheral vision

  • Gender: Male
  • Familiarity: I've put it through the wringer

I noticed immediately that the IO's were too small and realized I need the larger IOX (Med/ Large). Just wish they would carry the "photochromic" red sensor lens at Backcountry, as It is truly the do it all lens at 20 to 50 percent VLT. Also found the lenses were difficult to get fully installed and appeared to get hung up on the strap outrigger. This caused the lens silicone seal to not fully rest on the lower frame and was annoying while looking down with my peripheral vision. This I suppose could be fixed with a little sand paper near the outrigger part of the lens. Uhggg. The lenses also smudge very easily. Not sure what kind of scratch resistance these lenses will take in the glades as this is a rimless frame and there's not much to protect them from the occasional tree brushing. Both the Oakley Canopy and IOX have the best vision out there, but still think Smith is the better value because they offer 2 lenses. The real value is the Smith Prophecy at half the cost and just as large as the IOX for great peripheral vision.

Powder Grin

Powder Grin

Posted on

Taking a break to smile after deep powder skiing.

3 5


  • Familiarity: I've put it through the wringer

I bought these to replace my older Oakley goggles. I didn't have a chance to try them prior to buying and would probably have gone with IOX. I don't think I have a large face so I thought the IOS should have been find however I do find them a bit uncomfortable in terms of how they rest on my cheek bones - this is probably an individual thing. I did find it difficult to swap lenses since I couldn't get one of the clips to engage properly. I went to a Smith retailer who also had a bit of difficulty. I have these mated with my new Smith Vantage helmet which I really like. I ended up using the blue sensor mirror most of the time at Whistler given the varying visibility.

5 5

Love Smith Goggles

  • Familiarity: I've put it through the wringer

In our family we have the I/OS, the I/O and the I/OX goggles and love them all. I love how well these goggles perform and the lack of fogging I have experienced with them. The I/O goggle goes very well with any Smith helmet and the interchangeable lens system makes it fast and easy to change from low light to high light lenses.
The I/O goggle is a great option for both men and women and is for a medium size face.

5 5

Top Shelf Goggles

  • Familiarity: I've put it through the wringer

No need to buy another pair because these frames have great coverage, don't restrict peripheral vision, come with two sets of lenses so you're good for bluebird and lowlight days, have great ventilation to prevent fogging, fit the standard helmets (e.g., compatible with Smith helmets), and look sexy as hell.

All in all, they're a pound of pure so pop tags on 'em.

5 5

I've been told I look hot in these

  • Familiarity: I've put it through the wringer

Fantastic goggles. I love how easy it is to change the lenses, and that they are super comfortable. They don't scratch easily at all (as long as you take care of them and keep them in their bag when storing), don't fog at all, and they fit well with my Bern Watts helmet.

I have a slightly smaller face, so at times I do feel like they are a tad lower on my nose, but this is a very small thing, and I could always go with the smaller I/OS, but I love the full coverage on this.

I've been told I look hot in these
Responded on

Can I ask, which lens this is in the picture? I am undecided on the lens as there are a number of combinations available. These look to be completely mirrored which I tend to like.

Responded on

I believe these are the ignitor mirror. They have a VLT of 35% and are for "medium bright" conditions according to Smith. Mine came with this lens and a red sensor mirror for cloudy conditions. Both of these lenses are fully mirrored.

2 5

Foggy Goggle

  • Gender: Female
  • Familiarity: I've used it several times

Tried these goggles out while riding this last week and they fogged up like crazy. It was weird because there seemed to be a smudge mark between the two lenses with wipe pattern. These goggles are a foggy mess.
I am really bummed because they are awesome looking, GREAT reviews and I thought that wouldn't really fog up because they had a vent. I wonder if design has changed or if I just got a funky pair.
I ended up having to exchange these goggles for different Smith model.

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