Smith 4D MAG XL Replacement Lens
Smith 4D MAG XL Replacement Lens
Smith 4D MAG XL Replacement Lens
Smith 4D MAG XL Replacement Lens
Smith 4D MAG XL Replacement Lens
Smith 4D MAG XL Replacement Lens
Smith 4D MAG XL Replacement Lens
Smith 4D MAG XL Replacement Lens
Smith 4D MAG XL Replacement Lens
Smith 4D MAG XL Replacement Lens
Smith 4D MAG XL Replacement Lens
Smith 4D MAG XL Replacement Lens
Smith 4D MAG XL Replacement Lens
Smith 4D MAG XL Replacement Lens
Smith 4D MAG XL Replacement Lens
Smith 4D MAG XL Replacement Lens
Smith 4D MAG XL Replacement Lens
Smith 4D MAG XL Replacement Lens
Smith 4D MAG XL Replacement Lens
Smith 4D MAG XL Replacement Lens
Smith 4D MAG XL Replacement Lens
Smith 4D MAG XL Replacement Lens
Smith 4D MAG XL Replacement Lens
Smith 4D MAG XL Replacement Lens
Smith 4D MAG XL Replacement Lens
Smith 4D MAG XL Replacement Lens
Smith 4D MAG XL Replacement Lens
Smith 4D MAG XL Replacement Lens
Smith 4D MAG XL Replacement Lens
Smith 4D MAG XL Replacement Lens
Smith 4D MAG XL Replacement Lens
Smith 4D MAG XL Replacement Lens
Smith 4D MAG XL Replacement Lens
Smith 4D MAG XL Replacement Lens
Smith 4D MAG XL Replacement Lens
Smith 4D MAG XL Replacement Lens
Smith 4D MAG XL Replacement Lens
Smith 4D MAG XL Replacement Lens
Smith 4D MAG XL Replacement Lens
Smith 4D MAG XL Replacement Lens
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4D MAG XL Replacement Lens

$130.00
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4D MAG XL Replacement Lens

Replacement lens for the 4D MAG XL goggles, built for the biggest field of view in the 4D lineup. BirdsEye Vision clarifies not just your line but the riders in your periphery, so you don't miss a wind lip or a terrain change — and ChromaPop optics boost the color and contrast of everything you see. The MAG lens-change system uses magnets for quick, easy swaps between light conditions, and the lens provides 100% protection against UVA and UVB.

BirdsEye Vision
Clarifies not just your line, but the riders in your periphery — the lens technology that gives the 4D its unmatched peripheral range and a genuinely wider read on the terrain.
ChromaPop Lens Families
Options span bright sun, everyday variable conditions, storm and low light, photochromic, Pro Photochromic and clear — covering every weather window in the season.
Magnetic Lens Change
The MAG system uses magnets for quick, easy lens changes, so swapping tints to match the light is a matter of seconds rather than fumbling.
5X Anti-Fog Inner Lens
An advanced anti-fog inner surface holds a clear view of the terrain ahead through long days and hard efforts.
100% UVA / UVB Protection
Full ultraviolet blocking across the whole lens, protecting you on high-alpine days and through long bluebird spells.
Over-the-Glasses Compatible
This lens fits the OTG-compatible 4D MAG XL frame, so you can wear prescription eyewear underneath the goggle without giving up the field of view.
Medium / Large Fit
Sized to fit a medium-to-large face with the room an XL frame needs, and also available as a Low Bridge Fit version for lower nose bridges or wide, high cheekbones.

General

Product Type
Replacement goggle lens
Compatible Frame
4D MAG XL goggles
Intended Use
Alpine and snow sports

Lens

Lens Technology
BirdsEye Vision with ChromaPop optics
Anti-Fog
5X anti-fog inner lens
Lens Families
ChromaPop Sun, Everyday, Storm and Photochromic, Pro Photochromic, plus clear
UV Protection
100% UVA / UVB
Lens Change
Smith MAG system — magnetic attachment

Fit & Integration

Goggle Fit
Medium / Large, also available in Low Bridge Fit
Eyewear Compatibility
Over-the-glasses (OTG) compatible frame
Never Touch the Inside
The 5X anti-fog coating lives on the inner surface, and oils from your fingers will permanently fog that spot. Handle the lens only by the frame or the top edge, and if you must touch the inside, use a clean gloved hand.
Magnetic Mount Care
Wipe the magnetic contact points and the lens channel before fitting so the lens seats flat. Embedded grit can scratch the lens as it clicks on, and can stop the attachment holding securely on the move.
Cleaning
Clean with the supplied microfiber cloth and a small amount of lukewarm water. Never use paper towel, a shirt hem, household glass cleaner, or solvents — they will haze the lens and strip the anti-fog and UV coatings.
Handling
Hold the lens by its rim or the frame rather than the face of the lens. Fingerprints and skin oils are the fastest way to reduce clarity, so clean before fitting and avoid gripping the glass.
Snow and Ice
Let snow and ice melt off on its own rather than scraping or chipping at a frozen lens, and avoid hot water, which can craze the coating.
Photochromic Lenses
Photochromic lenses darken with UV exposure and lighten as the light drops, and the change takes time to settle. Expect the tint to lag a big shift in conditions by a minute or two.
Storage
Use the replacement lens sleeve inside the goggle bag, and keep the lens away from anything that could scratch or press against the face. Never leave it loose in a pack with keys or tools.

Shipping Policy

Components:

All component items (wheels, drivetrains, suspension, brakes, etc.) ship within 4-7 business days of purchase.

Bicycles:

Complete bikes typically ship within 2–3 weeks due to build, tuning, and inspection times. You will receive tracking information as soon as your order is ready to ship.

 Gear & Apparel:

Outdoor Gear and apparel orders (helmets, jerseys, gloves, etc.) ship within 5-21 business days. Please reach out to us with the most up to date deliveries times as they vary per Manufacturer. 

Returns & Exchanges:

If you received the wrong size or wish to exchange an item, it must be returned in original condition—unused, uninstalled, and with all packaging intact.

For full details, please see our Refund Policy before initiating a return.

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Prepared with intention.

Every product is carefully inspected and handled by our team before it ships. From fit and function to final details, we make sure each piece is ready for the outdoors ahead—so you can focus on the experience, not the gear.

Passion drives us

At SpokeX Bike Co., bikes aren't just our business — they’re our way of life. As a rider-owned and operated shop, every decision we make comes from firsthand experience on the trail, at the race, and on the open road. We know what it’s like to chase a new line, push through the pain cave, and celebrate the ride — because we live it every day.

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