Dragon&';s most advanced goggle with a cylindrical lens, the NFX2 has all the bells and whistles: Patented Frameless Design, Swiftlock technology, armored venting, Super Anti-Fog coating, bonus replacement lenses and more. Additionally, the NFX2 utilizes their Lumalens color optimized lenses bringing next level clarity, adaptability, and style to the Dragon lineup. This goggle utilizes features derived from Dragon&';s patented Advanced Projects X (APX) technology. Swiftlock Lens Changing System Patented Frameless Design Premium Injection Molded Cylindrical Lens Lumalens color optimization Armored Venting Stronger Super Anti-Fog coating Triple-layer Face Foam with Hypoallergenic Micro Fleece Lining Silicone Strap Backing Helmet Compatible