NFX Mag OTG (+ Bonus Lens) Reused Goggle. Introducing the all-new NFX MAG OTG snow goggle. Built with a foundation of premium functionality, the NFX Mag utilizes the ultra-fast and super-secure Swiftlock Magnetics lens changing system and proprietary Lumalens color optimized lenses. Tested and endorsed by Dragon’s world class roster of athletes—including snowboarder Danny Davis who has a Signature model—the NFX MAG OTG sets the bar high with additional features like Dragon’s patented frameless design, armored venting, helmet compatibility, and OTG-compatibility. For those seeking a preeminent goggle experience, look no further than Dragon’s NFX MAG OTG.