Dragon’s PXV uses a clean frame design and Panotech lens shape to offer an exceptional peripheral vision. Coming with 2 different lenses means you’re set for all weather conditions you are likely to encounter on the mountain.Lens: Lumalens Red Ionized + Lumalens RoseVLT: 23% (CAT 2) + 36% (CAT 2)Size: LargeLens Shape: PanotechMain LensLUMALENS Red Ionized – With a 23% VLT this lens is best suited for bright, sunny conditions through to overcast. 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 Rose – With a 36% VLT this lens is suited for overcast, cloudy 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.