Building on the success of their other high-end models, Dragon has used their best technologies to produce the PXV2. Frameless Design, Lumalens, Swiftlock, and Panotech are just some of the features that make up this leading goggle. And coming with 2 lenses, you are set for whatever conditions the mountain will throw at you.Lens: Lumalens Silver Ionized + Lumalens YellowVLT: 23% (CAT 2) + 72% (CAT 1)Size: Medium/LargeLens Shape: PanotechMain LensLUMALENS Silver Ionized – With a 23% VLT this lens is suited to very bright light, sunny conditions. The lens has a hydrophobic hard coating to repel water and give added protection. An Ionized finish is used which makes colours richer whilst reducing glare.Bonus LensLUMALENS Yellow – With a 72% VLT this lens is at its optimum in snowy, heavily overcast, and darker conditions. The lens has a hydrophobic hard coating to repel water and give added protection.Visual Light Transmission (VLT) refers to the amount of light that penetrates a lens. A low percentage means less light passes through and a higher percentage lets an increased amount of light through. A lens with a lower VLT rating is better for bright conditions, where as one with a higher VLT is more suited for overcast and snowy days.