The X2s offers the same top of the range tech as Dragon’s X2 goggle but in a slightly smaller frame for medium to large faces. Coming with 2 different lenses means you’re set for all weather conditions you’ll encounter on the mountain.Lens: Lumalens Red Ionized + Lumalens RoseVLT: 23% (CAT 2) + 36% (CAT 2)Size: MediumLens Shape: SphericalMain LensLUMALENS Red Ionized – With a 23% VLT this lens is suited for bright light, sunny conditions. The lens has a hydrophobic hard coating to repel water and give added protection.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.