Build for the smallest of kids looking to have fun on the snow without compromising on quality, even going to the extent of using a double layer lens, unlike many children’s goggles. The Rascals super fun designs combined with the essentials needed from any goggle will leave your children looking stylish while learning to blast around the mountain.Lens: RC36VLT: 36% (CAT 2)Size: Youth - Small Lens Shape: CylindricalLensRC36 – With a 36% VLT this universal lens tint improves depth perception, increases contrast and cuts glare in a wide variety of conditions. Best suited for average light days.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.