Dragon injected the DX Goggles with an ionized lens to give you supreme vision whether the sun is baking you out or youre swimming through the clouds. The ionized lenss high-contrast tint highlights every little bump, so you always know whats coming after you. Dragon pimped out these goggles with dual-layer face foam and a micro-fleece lining for comfort, and an anti-fog treatment for all-day clarity.