# Smith 4D MAG vs Dragon X2: specs and price compared

A sourced, side-by-side comparison of the Smith 4D MAG (Smith Optics) and Dragon X2 (Dragon Alliance) among ski goggles. Dragon X2 is the cheaper of the two at $200.

## Side by side

| Spec | Smith 4D MAG | Dragon X2 |
| --- | --- | --- |
| US price | $280 | $200 |
| Brand | Smith Optics | Dragon Alliance |
| Lens vlt (%) | ChromaPop Sun Black, 10% (ChromaPop Storm Rose Flash 28% and ChromaPop Everyday Green Mirror 23% also offered) | Lumalens Amber, 40% (Lumalens Flash Blue 24% and Lumalens Clear 84% also offered) |
| Lens geometry (cylindrical/spherical/toric) | Spherical outer lens over a toric BirdCage 2.0 inner frame for expanded peripheral vision | Spherical, frameless |
| Lens interchange system | Smith MAG magnetic quick-release lens system | Swiftlock magnetic quick lens-change system |
| Anti-fog coating/venting | Smith Fog-X inner-lens anti-fog coating with AirEvac brow venting | Dual-lens anti-fog coating with perimeter venting |
| Photochromic option | Yes — ChromaPop Photochromic Rose Flash lens option, VLT ~25-50% | No standard photochromic option |
| Frame size fit | Large — fits medium-large faces; Low Bridge Fit version also sold | Medium-Large |
| Helmet compatibility | Yes — integrates with Smith helmets | Yes |
| Otg (over-glasses) fit | No — dedicated OTG fit not offered on 4D MAG | No |

## Key differences

- Lens vlt (%): Smith 4D MAG ChromaPop Sun Black, 10% (ChromaPop Storm Rose Flash 28% and ChromaPop Everyday Green Mirror 23% also offered) vs Dragon X2 Lumalens Amber, 40% (Lumalens Flash Blue 24% and Lumalens Clear 84% also offered)
- Lens geometry (cylindrical/spherical/toric): Smith 4D MAG Spherical outer lens over a toric BirdCage 2.0 inner frame for expanded peripheral vision vs Dragon X2 Spherical, frameless
- Lens interchange system: Smith 4D MAG Smith MAG magnetic quick-release lens system vs Dragon X2 Swiftlock magnetic quick lens-change system
- Anti-fog coating/venting: Smith 4D MAG Smith Fog-X inner-lens anti-fog coating with AirEvac brow venting vs Dragon X2 Dual-lens anti-fog coating with perimeter venting
- Photochromic option: Smith 4D MAG Yes — ChromaPop Photochromic Rose Flash lens option, VLT ~25-50% vs Dragon X2 No standard photochromic option
- Frame size fit: Smith 4D MAG Large — fits medium-large faces; Low Bridge Fit version also sold vs Dragon X2 Medium-Large
- Helmet compatibility: Smith 4D MAG Yes — integrates with Smith helmets vs Dragon X2 Yes
- Otg (over-glasses) fit: Smith 4D MAG No — dedicated OTG fit not offered on 4D MAG vs Dragon X2 No

## Sources

- Smith 4D MAG: https://www.smithoptics.com/en-us/4d-mag-snow-goggle/ (smithoptics.com, verified 2026-08-11)
- Dragon X2: https://www.dragonalliance.com/products/x2 (dragonalliance.com, verified 2026-08-11)

Canonical: https://frontdeskreview.com/gear/ski-goggles/smith-4d-mag-vs-dragon-x2/
Cite: Per The Front Desk Review, Smith 4D MAG ($280) vs Dragon X2 ($200) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/ski-goggles/smith-4d-mag-vs-dragon-x2/
License: CC BY 4.0.