Ready to shred the slopes, but unsure which snow goggle is right for you? A great place to start is with SMITH! The brand excels at designing snow goggles with the best lens technology, clearest visibility, and optimal comfort. With so many SMITH snow goggles to choose from, it can be daunting to pick the one made for you. That’s where we come in! Join us as we discuss the I/O MAG S vs. I/O MAG vs. I/O MAG XL!

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D. I/O MAG S vs. I/O MAG vs. I/O MAG XL
E. Shop Prescription SMITH Snow Goggles at SportRx


Cruise down the mountain without fear of white-outs or sight obstructions with the I/O MAG S. This snow goggle features SMITH’s ChromaPop™ lens technology helping you see details and color more vividly. AirEvac™ ventilation and 5X anti-fog technology prevents moisture and fog from building up on the lens for a clear and safe ride. In addition, the I/O Mag S anti-slip strap provides a secure fit. And when you need a quick lens swap, the MAG™ interchangeable lens tech provides easy replacement.

I/O MAG S White Vapor - Chromapop Photochromic Rose Flash + Chromapop Storm Yellow Flash

I/O MAG S White Vapor - Chromapop Photochromic Rose Flash + Chromapop Storm Yellow Flash

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I/O MAG S Key Features

  • ChromaPop™ lenses offer unmatched clarity and color definition
  • Anti-fog lens coating ensures clear visibility
  • Triple-layer face foam sits comfortably against face
  • Custom prescription insert available
  • Small fit


The I/O MAG makes a day on the mountain that much better. ChromaPop™ lenses filter out light that causes color confusion, while the triple-layer face foam wicks out moisture and provides extra comfort. AirEvac™ ventilation pulls warm air out of the goggles (keeping the lenses fog-free) and the silicone-beaded strap keeps the snow goggles in place. The MAG™ lens swapping system features magnetic contact points and levers to easily change lenses on the go.

SMITH I/O MAG goggles for skiing and snowboarding. Black strap with white SMITH text and a green blue mirror shield lens.

SMITH I/O MAG in Black with ChromaPop Sun Green Mirror Lens

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I/O MAG Key Features

  • ChromaPop™ lenses help your eyes identify true colors
  • MAG™ lens changing system makes swapping lenses easy
  • Spherical lens curve reduces glare
  • Custom prescription insert available
  • Medium fit


The XL version of the I/O MAG comes with all the same features including ChromaPop™ lenses, lens swapping capabilities, and goggle ventilation. The spherical curvature of the lens reduces fogging and offers unimpeded peripheral views. These snow goggles are “over-the-glasses" (OTG) and prescription-insert compatible.

SMITH IO MAG XL snow goggles

SMITH I/O MAG XL in Black with ChromaPop Everyday Red Mirror + ChromaPop Storm Yellow Flash

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I/O MAG XL Key Features

  • ChromaPop™ lens tech provides greater color definition and visibility
  • MAG™ interchangeable system allows you to easily change lenses
  • OTG and prescription insert compatibility
  • Large to extra-large fit

I/O MAG S vs. I/O MAG vs. I/O MAG XL

Out of the three I/O MAG SMITH snow goggles, the main differences are its sizes.

The I/O MAG S is designed for smaller heads, while the I/O MAG has a medium fit. The I/O MAG XL is perfect for those with bigger heads (as the XL runs large to extra-large) and features OTG compatibility. You receive all the same top-of-the-line features in all the I/O snow goggles.

Shop Prescription SMITH Snow Goggles Online at SportRx

Need prescription SMITH snow goggles? Done. When you shop with us, you’ll find video guides and tooltips throughout the build process as you customize the perfect pair. An answer to all your questions is at your fingertips, and if you want to chat with an expert, contact us. We’ll put you in touch with one of our friendly in-house opticians who can help you build your prescription SMITH snow goggles.

Ditch risky online shopping with the See Better Guarantee. Try your snow goggles for 45 days and if you’re not satisfied, send them back. Get a full refund, exchange, or credit towards a better pair. And return shipping? Covered. Get your prescription SMITH snow goggles at SportRx today!

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