Part of our range for many years, the DX offers all the main tech you need, including Dragon’s Lumalens, at an outstanding price. The medium framed goggle comes with a twin-lens package covering you for all conditions you’re likely to encounter on the hill.Lens: Lumalens Silver Ionized + Lumalens YellowVLT: 23% (CAT 2) + 67% (CAT 1)Size: MediumLens Shape: CylindricalMain LensLUMALeNS Silver Ionized – With a 16% VLT this lens is suited for 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 67% VLT this lens is at its optimum in snowy, stormy and dark 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.