Smith Optics I/O MAG Ski Goggles

  • Frameless design goggle featuring magnetic lens replacement mechanism
  • Smith MAG Lens Change System allows for simple, safe and secure lens replacement on the fly
  • ChromaPop lens technology enhances contrast to improve visual definition in a wide range of conditions
  • 5X anti-fog lens treatment greatly reduces the risk of lens misting
  • Includes bonus lens and microfibre goggle bag

Our View: The latest design in Smith's I/O series of goggles is the I/O MAG, featuring a new magnetic lens swapping system which makes adapting to conditions on the mountain faster and easier than ever before. The I/O MAG is one to watch for the coming season!

"The I/O MAG, utilising the Smith MAG lens change system, is designed for optimized performance and perfected fit: two locking mechanisms for lens security, AirEvac ventilation for fog-free integration with Smith helmets, and a frame designed for contoured face fit. All this technology is designed around one of Smith's largest spherical lenses, providing a maximized field of view and 5X anti-fog technology." - Smith Optics

  • Smith MAG lens change system
  • Includes bright and low light ChromaPop lenses
  • Spherical carbonic-x lens
  • 5X™ anti-fog inner lens
  • TLT lens technology for crystal clear vision
  • Porex™ lens filter prevents optical distortion
  • Medium fit
  • Responsive Fit™ frame design
  • QuickFit strap adjustment, with clip buckle
  • 3-layer DriWix face foam
  • Helmet compatible
  • AirEvac integration technology to reduce fogging
  • Ultra-wide, silicone backed strap
  • Dual-axis outrigger positioning system
  • Includes microfibre goggle bag


Smith MAG Lens Change System

Smith MAG Lens Change System

A proprietary technology enabling you to quickly adapt to varying light conditions with the confidence of lens security. The next generation of Smith interchangeability has arrived!

Smith MAG Lens Change System - Dual Locking Mechanisms

Dual Locking Mechanisms

Magnets help guide the lens into place. Once in position the lens carrier provides a lock which resists forces and rotation during movement.

Smith MAG Lens Change System - Magnetic Contact Points

8 Magnetic Contact Points

Strong and weather proof N52 magnets self guide the lens into the anchored position. This magnetic positions enables the speed of lens changing to get you back out riding faster.

Smith MAG Lens Change System - Considered Design

Considered Design

Plastic grips are carefully considered and designed at the corners of the lens, to limit contact with the lens, and aid in the changing of the lens.


Smith Goggle Tech

ChromaPop

Smith ChromaPop

Smith's ultimate snow lens. Delivering greater definition and colour

ChromaPop lenses offer unmatched clarity to allow you to see more detail. With just one ChromaPop™ lens you experience enhanced definition across a greater range of conditions.

Choose between a range of lenses, tints and mirrors to suit you riding style, colour preferences and environments. From Sun to Storm, ChromaPop has it covered.


A market leading technology. Where standard anti-fog lenses fog between 30-50 seconds, 5X anti-fog treatment withstood fogging for over 120 seconds in controlled lab tests.

Built upon Smith's legendary Fog-X lenses, 5X anti-fog enhances the hydrophilic, micro-etched surface area to repel water droplets, keeping vision clear and crisp for longer.

5x Anti-Fog

5X Anti-Fog

The most advanced anti-fog lenses ever created

Replacement Lenses

Replacement Lenses

Mix and match tints with a wide range of lenses

With a huge range of lens tints and options for replacements, a spare lens is the perfect way to keep you out on the slopes in a variety of conditions. Click here to browse our range of replacement lenses.

With choices of Smith's proprietary ChromaPop Sun, Everyday and Storm lenses, Photochromic lenses and even clear lenses; theres a tint to match any condition and requirement


Responsive Fit™ design is a flexible material in the frame which lets the frame flex and adjust to fit your unique face shape. Assuring a precise fit that moulds to your facial contours.

Every face is different. By reducing material and creating a flexible lattice architecture, Smith’s frames act like a suspension system that micro-adjusts to fit you perfectly and comfortably.

5x Anti-Fog

Responsive Fit

Designed to mould to your face shape


Dual-Axis Outrigger Positioning System

Dual-Axis Outrigger

With a strap that can adjust in different directions, this model proves to fit exceptionally well with almost any helmet on the market. Flexiblity adds to the comfort and creates a flawless seal around the face.

3-layer DriWix Face Foam

3-layer DriWix Face Foam

Developed over time, 3-layers of foam improves comfort dramatically. The base layer creates a tight seal whilst the mid layer works in with the air-flow system. The inner layer is made from fleece to add to the comfort for all day use.

Helmet Compatible

Helmet Compatible

Designed in conjunction with Smith's helmets, the goggles fit perfectly and line up with the ventilation channels in the helmet, making them the perfect companion out on the slopes.


TLT Optics

TLT Optics

Tapered Lens Technology (TLT) straigtens out light rays coming into the lens by progressively tapering the lens from the optical centre. Resulting in remarkably clear vision and less optical distortion.

Carbonic-X Lens

Carbonic-X lens

Carbonic-X outer lens material meets Class 1 optical standards and offers premium scratch and impact resistance. This results in increased visual acuity and better sensitivity to a variety of contrasting details.

Porex Filter Technology

Porex™ Filter Technology

This patented filter allows the air pressure at different altitudes within the sealed lens chamber to equalise with the ambient atmospheric pressure eliminating distortion and ensuring Class 1 optical standards.


Quick clip buckle

QuickFit Strap With Clip Buckle

Designed by those who love the snow to keep you out there for longer. This quick clip system lets you adapt your goggles with even the bulkiest of gloves on, keeping things moving out on the slopes.

Hydrophobic Lens Treatment

Hydrophobic lens treatment

Bonded to all mirrored lenses, which have a tendency to attract marks and smudges. This coating helps to repel moisture and grime, allowing water to disperse and finger marks to be wiped off with ease.

Spherical Lens

Spherical lens

Developing the eyewear game once againn. Spherical lenses offer the highest optical clarity and is a sign of a premium product. Providing you with unbeatable peripheral vision to enhance your experience.