The NFX2 features the rapid-fire lens change of Swiftlock Technology, making it Dragon's most advanced cylindrical lens frame, you can switch lenses super easy, adapting to any weather conditions. Also featuring Dragon’s Super Anti Fog, an anti-fog coating developed by NASA for their space helmets, your goggles shouldn't fog. And the triple layer face foam means its comfortable against your skin. The NFX2 brings next level clarity, adaptability, and style to the Dragon line-up.