This rose and copper base tint is standard in Smith youth goggles. The lighter tint and color of this lens provide an excellent field of vision as they increase contrasts and details while enhancing depth perception. Sporting a 36% VLT rating, the RC36 works in most conditions. All but extremely sunny days or dark and stormy conditions. Visible light transmission, VLT, is the amount of light that enters the lens from the visible spectrum. Lenses range typically between 100%, which essentially clear or light yellow, to 10% which are typically dark smoke or polarized lenses.