Our ultra-premium X2 goggle fixates on performance and comfort. Expanded peripheral vision due to our Patented Frameless Design, best-in-class clarity due to our Lumalens color optimized technology and a bonus replacement lenses, to boot. The X2 also utilizes our Swiftlock lens changing system, the easiest and most secure way to swap in your replacement lens. This goggle utilizes features derived from Dragon's patented Advanced Projects X (APX) technology.