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The Smith I/O MAG S snow goggles deliver the same benchmark performance as Smith's legendary I/O MAG series in a frame precisely scaled for smaller faces. Built with a spherical Carbonic-x lens, the MAG S offers distortion-free optics and an expansive field of view that reveals every wind lip, landing, and tree glade in sharp detail.
ChromaPop Lens Technology
Smith's proprietary ChromaPop lens technology filters two specific wavelengths of light that cause color confusion, delivering greater definition, more natural color, and unmatched clarity. The difference is immediate—flat light suddenly reveals texture and contour that other goggles miss. Available in multiple ChromaPop tints including Sun Platinum Mirror, Photochromic Rose Flash, and Everyday Rose Gold Mirror, you can match your lens to any condition from bluebird days to flat-light storms.
MAG Lens-Change System
The MAG interchangeable lens system uses magnets and dual locking levers on each side of the frame for quick, secure lens swaps. Push the levers, pull the lens away, and snap a new one into place—the magnets guide it home. The system works with gloves on and locks positively so you never ski with a partially seated lens. Most variants include a bonus low-light lens so you're ready for changing conditions.
Fog-Free Performance & Fit
Smith's 5X anti-fog inner lens provides the highest level of anti-fog treatment the brand offers, engineered to absorb over five times more moisture than standard coatings. The triple-layer DriWix face foam wicks moisture away from your skin, while AirEvac ventilation integrates with Smith helmets to channel warm air out and keep the lens clear through all weather conditions. The Responsive Fit frame flexes to the contours of your face for a pressure-free seal.
The I/O MAG S is designed for women and smaller faces—reviewers consistently note the excellent fit for those who find standard goggles too large. The goggles are prescription-ready via Smith's GRX prescription insert (compatible with all Smith goggles) and offer 100% UVA/UVB protection. The ultra-wide silicone-backed strap stays put, and the QuickFit adjustment system lets you dial in the perfect fit fast.
Product Details
Color Details
Color DetailsFrame Color
BlackColor Code
0JX995TColor Description
Black - Chromapop Sun Platinum Mirror
Frame Color
BlackColor Code
0JX994GColor Description
Black - Chromapop Photochromic Rose Flash
Frame Color
BlackColor Code
17I9941Color Description
Chromapop Everyday Violet Mirror
Color Code
M007140OR995TColor Description
Chromapop Sun Platinum Mirror
Frame Color
BlackColor Code
0JX99M5Color Description
Black - Chromapop Everyday Rose Gold Mirror
Frame Color
BlackColor Code
0JX99MKColor Description
Black - Chromapop Sun Green Mirror
Frame Color
BlackColor Code
0JX99XPColor Description
Black - Chromapop Everyday Green Mirror
Color Code
0OZ99XPColor Description
White Vapor - Chromapop Everyday Green Mirror
Color Code
0OR99M5Color Description
White Chunky Knit - Chromapop Everyday Rose Gold Mirror
Frame Color
BlackColor Code
16E9941Color Description
Chromapop Everyday Violet Mirror
Color Code
M007140JX994VColor Description
Chromapop Pro Photochromic Red Mirror
Color Code
0OZ995TColor Description
White Vapor - Chromapop Sun Platinum Mirror
Color Code
M007140OR994OColor Description
Chromapop Pro Photochromic Gold Mirror
Frame Color
BlackColor Code
16Z99M5Color Description
Chromapop Everyday Rose Gold Mirror
Color Code
0OZ99M5Color Description
White Vapor - Chromapop Everyday Rose Gold Mirror
Color Code
M007142DH994YColor Description
Chromapop Sun Black
Frame Color
BlackColor Code
1MA994YColor Description
Chromapop Sun Black
Color Code
0OZ994GColor Description
White Vapor - Chromapop Photochromic Rose Flash
Color Code
M007142BT9941Color Description
Chromapop Everyday Violet Mirror
Color Code
M007141AO99MKColor Description
Chromapop Sun Green Mirror
Color Code
M007140JX994BColor Description
Chromapop Everyday Blue Mirror
Color Code
M007142CA995TColor Description
Chromapop Sun Platinum Mirror
Color Code
M007142DA99M5Color Description
Chromapop Everyday Rose Gold Mirror
Color Code
M007143QG995TColor Description
Chromapop Sun Platinum Mirror
Color Code
M007143QD9941Color Description
Chromapop Everyday Violet Mirror
Color Code
M007143PR9941Color Description
Chromapop Everyday Violet Mirror
Color Code
M007143W49941Color Description
Fresh PurpleLens Color
ChromaPop Everyday Violet Mirror
Color Code
M007143W2995TColor Description
Light LavenderLens Color
ChromaPop Sun Platinum Mirror
Color Code
M007143W399MNColor Description
Steel Blue SplitLens Color
ChromaPop Sun Black Gold Mirror
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Frequently Asked Questions
What is the difference between the I/O MAG S and the regular I/O MAG?
The I/O MAG S is scaled down specifically for smaller faces, while the I/O MAG has a medium fit. Both share the same premium features—ChromaPop lenses, MAG magnetic lens-change system, 5X anti-fog treatment, and spherical Carbonic-x optics—but the S version fits women and those with smaller head sizes better. If standard goggles feel too large, the I/O MAG S is the right choice.
How does the Smith MAG lens-change system work?
The MAG system uses magnets and two locking levers on each side of the goggle. To remove a lens, push both side levers and pull the lens away from the frame. To install, align the new lens and press it into place—the magnets guide it home and the levers lock it securely. The system works with gloves on and takes just seconds once you know where the levers are.
Can I use the Smith I/O MAG S with prescription lenses?
Yes, the I/O MAG S is compatible with Smith's GRX prescription snow goggle insert, which fits all Smith goggles. The insert snaps into the goggle's ventilation system and holds your prescription lenses behind the outer ChromaPop lens. You can also wear glasses underneath—the I/O MAG S accommodates over-the-glasses (OTG) use, though prescription inserts offer a more streamlined fit.
What is ChromaPop lens technology and how does it improve vision?
ChromaPop filters two specific wavelengths of light that cause color confusion where blue/green and green/red wavelengths cross over. By eliminating this interference, ChromaPop lenses deliver enhanced contrast, more natural color, and greater definition. On the mountain, this means you can see subtle terrain features, bumps, and texture in flat light that would otherwise look like a featureless canvas.
How effective is the anti-fog performance on the I/O MAG S?
The I/O MAG S features Smith's 5X anti-fog inner lens—the most advanced anti-fog treatment Smith offers, engineered to absorb over five times more moisture than standard coatings. Combined with triple-layer DriWix face foam that wicks moisture and AirEvac ventilation that integrates with Smith helmets, the goggles deliver fog-free performance even in extreme conditions. Multiple testers report near-zero fogging across multiple seasons.
Do the Smith I/O MAG S goggles come with a bonus lens?
Most I/O MAG S variants include two ChromaPop lenses: one for bright light conditions (installed) and one bonus lens for low-light or storm conditions. Common pairings include a Sun Platinum Mirror with a Storm Blue Sensor Mirror, or Photochromic Rose Flash with a Storm Yellow Flash. The dual-lens setup and quick MAG system mean you're ready for any lighting condition without carrying multiple goggles.
Compare With Similar Frames
How the Smith Optics Snow Goggles M00714 I/O MAG S Goggles stacks up against the closest alternatives we carry.
- Medium fit works for most adults and larger teens
- Slightly larger field of view due to bigger frame
- Same premium ChromaPop lenses and MAG system
- Maximum field of view in the I/O MAG series
- Large to extra-large fit for bigger heads
- OTG (over-the-glasses) compatible
- BirdsEye Vision technology for even wider field of view
- Same MAG lens-change system and ChromaPop lenses
- Premium optics for those who want the absolute best
Read the full comparison
Smith I/O MAG S vs. I/O MAG vs. I/O MAG XL: Which Size is Right for You?
The Smith I/O MAG family offers three sizes—S, standard, and XL—all sharing the same premium features but scaled for different face sizes. The I/O MAG S is designed specifically for smaller faces and women, while the standard I/O MAG fits most adults with a medium build, and the I/O MAG XL is built for larger heads and offers OTG compatibility.
All three share Smith's MAG magnetic lens-change system, ChromaPop lens technology, 5X anti-fog treatment, and spherical Carbonic-x optics. The key difference is fit: the I/O MAG S eliminates the pressure points and gaps that smaller riders experience with oversized goggles, while the XL maximizes field of view for those who need a large frame. If standard goggles feel too big or leave gaps around your temples, the I/O MAG S is the right choice.
I/O MAG S vs. 4D MAG: Premium Optics Comparison
The Smith 4D MAG represents the top of Smith's goggle lineup, featuring BirdsEye Vision technology that extends peripheral vision even further than the I/O MAG series. Both use the same MAG lens-change system and ChromaPop lenses, but the 4D MAG's advanced frame geometry and lens shape deliver the widest field of view Smith offers.
The trade-off is price and complexity. At $340-$465, the 4D MAG costs significantly more than the I/O MAG S ($270-$305), and its larger, more complex frame may be overkill for recreational riders. For most skiers and snowboarders with smaller faces, the I/O MAG S offers the best balance of performance, fit, and value. If you're a serious rider who spends 30+ days on the mountain and wants the absolute best optics, the 4D MAG (available in a 4D MAG S size for smaller faces) is worth the investment.
Our recommendation: The I/O MAG S is the sweet spot for smaller-faced riders who want premium performance without paying for features they won't use. It delivers the same ChromaPop clarity, fog-free performance, and quick lens changes as the larger models, in a frame that actually fits.
At a Glance
Smith I/O MAG Goggles
Pros:
- Medium fit works for most adults and larger teens
- Slightly larger field of view due to bigger frame
- Same premium ChromaPop lenses and MAG system
- Same price point as the I/O MAG S
Cons:
- Too large for smaller faces—can cause pressure points or gaps
- Heavier than the I/O MAG S
- May not integrate as well with smaller helmets
Smith I/O MAG XL Goggles
Pros:
- Maximum field of view in the I/O MAG series
- Large to extra-large fit for bigger heads
- OTG (over-the-glasses) compatible
- Best peripheral vision for those who can fit it
Cons:
- Far too large for smaller faces—will not seal properly
- Higher price point ($270-$335 vs $270-$305)
- Heavier and bulkier than I/O MAG S
- Not suitable for women or smaller riders
Smith 4D MAG Goggles
Pros:
- BirdsEye Vision technology for even wider field of view
- Same MAG lens-change system and ChromaPop lenses
- Premium optics for those who want the absolute best
- Available in multiple sizes including 4D MAG S for smaller faces
Cons:
- Significantly higher price ($340-$465 vs $270-$305)
- Heavier and more complex frame design
- Overkill for casual riders or those on a budget
- The I/O MAG S offers better value for most skiers