Smith Optics Snow Goggles M00732 4D MAG Goggles

$355.00

Color

Smith Optics Snow Goggles M00732 4D MAG Goggles

0JX99MP - Black - Chromapop Everyday Red Mirror

Ships within 1 to 5 Days
Shipping information is provided by the manufacturer.

SKU : SM_M00732_0JX99MP_00

M007323PI99MN - Chromapop Sun Black Gold Mirror

Free Shipping
Price Match
Easy Returns
Licensed Opticians

$355.00

Quantity

Color

Free Shipping
Price Match
Easy Returns
Licensed Opticians

DESCRIPTION RATINGS & REVIEWS PRESCRIPTION GUIDE

The Smith 4D MAG Snow Goggles redefine what's possible in on-mountain vision. Featuring Smith's groundbreaking BirdsEye Vision technology, these goggles deliver a 25% increase in field of view compared to the I/O MAG—particularly in the downward direction where it matters most. The curved spherical lens wraps beneath your eye line, letting you see your skis, buckle your boots, and access jacket pockets without tilting your head back. It's a game-changer for terrain awareness and convenience.

ChromaPop Lens Technology: See the Mountain in High Definition

Every 4D MAG comes equipped with Smith's ChromaPop lens technology, which filters specific wavelengths of light that cause color confusion. The result is enhanced contrast, natural color, and exceptional definition—especially valuable in flat light, storm cycles, and mixed conditions. Each goggle includes two ChromaPop lenses (one for bright light, one for low light), and the spherical carbonic-X lens construction provides superior scratch and impact resistance with 100% UV protection. Tapered Lens Technology progressively thins the lens from center to edge, eliminating the visual distortion common in aggressively curved lenses.

MAG Lens-Change System: Fast, Secure, Tool-Free Swaps

The 4D MAG uses Smith's MAG interchangeable lens system with dual locking levers integrated into the frame outriggers and eight magnetic contact points. To swap lenses, simply release the side levers, let the magnets disengage, align the new lens (magnets guide it into position), and lock it down. The system is fast enough to change lenses while wearing the goggles, and secure enough that lenses stay put through falls and aggressive riding.

All-Day Comfort and Fog-Free Performance

The medium fit frame uses a flexible construction that conforms to a wide variety of face shapes. Three-layer DriWix face foam wicks moisture and provides cushioning, while the AirEvac ventilation system channels warm air out through compatible Smith helmets for maximum fog prevention. The silicone-backed strap keeps the goggles firmly in place, and the QuickFit strap adjustment system lets you dial in the perfect fit quickly. The 4D MAG is designed for ultimate integration with Smith helmets, but works well with most helmet brands.

The Smith 4D MAG is a premium choice for skiers and snowboarders who demand the best optics, the widest field of view, and all-conditions versatility. Each goggle comes with two ChromaPop lenses and a protective hard case.

Product Details

Model
4D MAG
Gender
Unisex
Age Group
Adult

Color Details

Size Details

Need help with what these "SIZE DETAILS" mean?

DESCRIPTION

ChromaPop Lens Technology: See the Mountain in High Definition

MAG Lens-Change System: Fast, Secure, Tool-Free Swaps

All-Day Comfort and Fog-Free Performance

Product Details

Model
4D MAG
Gender
Unisex
Age Group
Adult

Color Details

Size Details

Need help with what these "SIZE DETAILS" mean?

RATINGS & REVIEWS

PRESCRIPTION GUIDE

Frequently Asked Questions

What makes the Smith 4D MAG different from other Smith goggles?

The 4D MAG features BirdsEye Vision technology—a curved lens design at the bottom that increases overall field of view by 25% compared to the I/O MAG. This unique downward curve lets you see terrain directly below you, buckle boots, and access pockets without tilting your head. It also includes the MAG magnetic lens-change system with dual locking levers for secure, tool-free lens swaps.

How many lenses come with the Smith 4D MAG goggles?

Each Smith 4D MAG goggle comes with two ChromaPop lenses: one optimized for bright/sunny conditions and one for low-light/storm conditions. Both lenses feature the same high-quality ChromaPop technology for enhanced color and contrast. Additional replacement lenses in various tints are available separately.

What is ChromaPop lens technology?

ChromaPop is Smith's proprietary lens technology that filters two specific wavelengths of light (blue/green and green/red) that cause color confusion to your eyes. This filtering delivers greater definition, more natural color, and enhanced clarity, helping you see terrain details and read snow conditions more accurately in all light conditions.

How do you change lenses on the Smith 4D MAG?

The 4D MAG uses Smith's MAG system with dual locking levers located at the base of the frame near the strap outriggers. Push both levers down to unlock, let the magnets disengage, and remove the lens. To install a new lens, align the lens tabs with the frame (magnets will guide it into place), then close both locking levers. The system can be operated with gloves on and even while wearing the goggles.

What size fit is the Smith 4D MAG?

The Smith 4D MAG has a medium fit that works well for a wide range of face sizes. The flexible frame construction allows it to conform to different face shapes. Smith also offers the 4D MAG XL for larger faces and the 4D MAG S for smaller faces. Low Bridge Fit versions are available for those who need a shallower nose bridge.

Are the Smith 4D MAG goggles compatible with helmets?

Yes, the 4D MAG is designed for ultimate integration with Smith helmets, featuring AirEvac ventilation that channels warm air from the goggles through the helmet's ventilation system for superior fog prevention. The goggles also work well with most other helmet brands. The silicone-backed strap and QuickFit adjustment system ensure a secure, comfortable fit with any helmet.

Compare With Similar Frames

How the Smith Optics Snow Goggles M00732 4D MAG Goggles stacks up against the closest alternatives we carry.

This product

Smith Smith Optics Snow Goggles M00732 4D MAG Goggles $340.00

Smith Smith Optics Snow Goggles M00427 I/O MAG Goggles $270.00

Lower price point—typically $70-80 less than the 4D MAG
Proven magnetic lens-change system that's slightly simpler (no locking levers)
Same ChromaPop lens technology for excellent color and clarity

View frame →

Smith Smith Optics Snow Goggles M00668 Squad Goggles $100.00

Much more affordable—typically $80-100 less than the 4D MAG
Same MAG magnetic lens-change system with side levers
ChromaPop lens technology for enhanced color and contrast

View frame →

Smith Smith Optics Snow Goggles M00783 4D Mag XL Goggles $340.00

Larger frame size provides more coverage for bigger faces
Same BirdsEye Vision technology with 25% increased field of view
Identical ChromaPop lens technology and MAG lens-change system

View frame →

Read the full comparison

Smith 4D MAG vs I/O MAG vs Squad MAG: Which Smith Goggle Is Right for You?

Smith offers three excellent goggles with magnetic lens-change technology, each targeting different priorities and budgets. Here's how the 4D MAG compares to its siblings in the MAG family.

4D MAG: Maximum Field of View and Premium Optics

The 4D MAG is Smith's flagship goggle, built for riders who want the absolute best in visibility and optical quality. Its BirdsEye Vision technology—a curved lens that wraps downward—delivers a 25% increase in field of view compared to the I/O MAG. This translates to better terrain awareness, easier access to pockets and buckles, and superior peripheral vision. The spherical lens with Tapered Lens Technology eliminates distortion, while ChromaPop delivers exceptional color and contrast. The MAG lens-change system uses dual locking levers for secure retention. At $340-$465, it's the most expensive option, but reviewers consistently rank it as the best overall goggle for serious skiers and snowboarders.

I/O MAG: Proven Performance at a Lower Price

The I/O MAG ($270-$354) offers excellent optics and the same ChromaPop technology in a more traditional spherical lens design. The magnetic lens-change system is slightly simpler (no locking levers), and the goggle has a proven track record for fog-free performance and helmet integration. You sacrifice the 4D MAG's revolutionary downward visibility, but you still get a premium goggle with outstanding clarity and a medium fit that works for most faces. It's the sweet spot for riders who want high-end features without the 4D premium.

Squad MAG: Best Value in the MAG Family

The Squad MAG ($100-$166) brings magnetic lens changes and ChromaPop technology to a more accessible price point. It uses a cylindrical lens instead of spherical, which reduces field of view compared to both the 4D and I/O MAG. The optics are still excellent for the price, and the MAG system with side levers makes lens swaps quick and easy. It's ideal for recreational riders who want the convenience of magnetic lenses without paying for the absolute best field of view.

The Verdict: When to Choose the 4D MAG

Choose the 4D MAG if you're a serious skier or snowboarder who values maximum field of view, premium optics, and cutting-edge technology. The BirdsEye Vision design genuinely improves your on-mountain experience, especially in technical terrain where seeing directly below you matters. The I/O MAG is the better choice if you want excellent optics at a lower price and don't need the extra downward visibility. The Squad MAG is perfect for budget-conscious riders or those who ski occasionally and want reliable performance without the premium price tag.

At a Glance

Smith I/O MAG Goggles

Pros:

Lower price point—typically $70-80 less than the 4D MAG
Proven magnetic lens-change system that's slightly simpler (no locking levers)
Same ChromaPop lens technology for excellent color and clarity
Excellent fit with Smith helmets and fog-free performance

Cons:

25% smaller field of view compared to the 4D MAG, especially downward visibility
Traditional spherical lens without the BirdsEye Vision curve
Lenses may scratch more easily than some competitors
Less peripheral visibility than the 4D MAG's innovative lens design

Smith Squad MAG Goggles

Pros:

Much more affordable—typically $80-100 less than the 4D MAG
Same MAG magnetic lens-change system with side levers
ChromaPop lens technology for enhanced color and contrast
Medium/large fit with triple-layer foam and excellent ventilation

Cons:

Cylindrical lens design offers less field of view than the 4D MAG's spherical lens
No BirdsEye Vision technology for enhanced downward visibility
Optics are a small step down from the 4D MAG's premium spherical lens
Smaller overall field of view compared to both the I/O MAG and 4D MAG

Smith 4D MAG XL Goggles

Pros:

Larger frame size provides more coverage for bigger faces
Same BirdsEye Vision technology with 25% increased field of view
Identical ChromaPop lens technology and MAG lens-change system
Better fit for riders who find the standard 4D MAG too small

Cons:

Larger, bulkier design may feel oversized on medium or smaller faces
Slightly higher price point than the standard 4D MAG
Heavier overall weight due to larger lens and frame
May have ventilation issues in very wet conditions, similar to standard 4D MAG

Color

Smith Optics Snow Goggles M00732 4D MAG Goggles

Color

ChromaPop Lens Technology: See the Mountain in High Definition

MAG Lens-Change System: Fast, Secure, Tool-Free Swaps

All-Day Comfort and Fog-Free Performance

Product Details

Model

Gender

Age Group

Color Details

Frame Color

Color Code

Color Description

Color Code

Color Description

Frame Color

Color Code

Color Description

Color Code

Color Description

Frame Color

Color Code

Color Description

Frame Color

Color Code

Color Description

Frame Color

Color Code

Color Description

Frame Color

Color Code

Color Description

Frame Color

Color Code

Color Description

Color Code

Color Description

Color Code

Color Description

Frame Color

Color Code

Color Description

Color Code

Color Description

Color Code

Color Description

Frame Color

Color Code

Color Description

Color Code

Color Description

Frame Color

Color Code

Color Description

Frame Color

Color Code

Color Description

Color Code

Color Description

Frame Color

Color Code

Color Description

Frame Color

Color Code

Color Description

Color Code

Color Description

Color Code

Color Description

Color Code

Color Description

Frame Color

Color Code

Color Description

Color Code

Color Description

Frame Color

Color Code

Color Description