4D Mag

The 4D Mag targets dedicated resort riders and backcountry skiers who demand maximum situational awareness in technical terrain. Smith achieved this by bending the bottom of the spherical lens inward—a design termed BirdsEye Vision—effectively dropping the lower frame out of standard peripheral sightlines. Instead of a hard plastic border obstructing your view of boot buckles, binding levers, or steep drop-ins right beneath your tips, you get an open visual plane that genuinely alters how you read downhill terrain.

Optical clarity is driven by Smith's ChromaPop lens tech, which excels at filtering light overlap to enhance contrast and depth perception in both flat light and harsh alpine glare. Swapping tints relies on a hybrid setup: magnetic guide points snap the lens securely into place, while mechanical dual-locking levers at the lower outriggers keep it locked during a high-speed crash. Triple-layer DriWix face foam seals against moisture and wind well, and integration with modern helmets—especially Smith lids using AirEvac channels—keeps fogging to an absolute minimum during heavy bootpacks.

At the high end of premium snow goggles, the 4D Mag commands an investment that rivals top-tier competitors like the Oakley Flight Deck or Anon M4. The pronounced lower curve does demand extra care; setting the goggle face-down on a lunch table or scraping it against frozen jacket collars can quickly scuff that exposed downward lip. Still, for riders navigating tight tree lines, steep couloirs, or variable snowpacks where bottom-of-frame blind spots cause real hesitation, the optical payoff justifies the price.