Natural Colors Cristal/Crystal (12 months wear)Color Description Stunning gray eyes This is a true light medium gray tone lens that is eye catching and very natural. It features a subtle limbal ring that is barely detectable, making the lens appear more natural and blend seamlessly with the eyes. This ones a crowd favorite! If want a stronger limbal ring, check out Anesthesia Dream Gray, and if you want more green tones, check out Bella Elite Gray Olive. Color Category Gray, Blue Brightness 7