The Dragon APXs Series Goggles in Jet Red Ionized / Yellow Blue Ionized. Advanced Performance X (APX), is a design philosophy focused on technical innovation and smart design from start to finish. With an emphasis on quality, minimalist design, and performance, the APX line embodies the most technically advanced products in the market. Designed and tested in the backcountry of Colorado at our 12,000 elevation APX research and development cabin, the APX goggle has proven to withstand the harshest, most technically demanding conditions. The flagship product of the line, the APX goggle,literally redefines what a goggle can be with our new patent pending Infinity Lens Technology. By completely eliminating the frame profile with this innovative lens system, the APX goggle has maximum peripheral vision and the highest level of performance. LESS IS MORE...APX. The APXs Goggles are 20% smaller than its brother the APX presenting a more compact feeling for the rider looking for a more universal fit.