The Big Eyes Evolution’s signature inverted tear-drop lenses are raked inward and provide outstanding field of view with very low internal volume. A redesigned skirt now uses internal ribs to provide the ultimate in fit and support. Fully flexible, easy adjust buckles are attached using Cressi’s double injection molding technology for both comfort and extreme durability. Raked lenses provide excellent field-of-view Inverted tear-drop lenses improve downward visibility for managing BC-mounted gear Low internal volume allows for effortless clearing Dual-density silicone skirt flexes for a perfect seal along the face and full support around the frame. Ribbed facial skirt provides support where needed for a soft, flexible fit Micrometric adjustable buckles allow precise headband adjustments Swiveling buckles connect to flexible, indestructible elastomer tabs for total durability and comfort. Accepts optical lenses