This is the Cressi Sub Big Eyes Evolution 2 Lens Scuba Diving Silicone Mask Made in Italy Features of this AWESOME mask include: Skirt in High Seal silicone Special structure of the skirt has differentiated rigidity Very narrow headband in three materials, invisible when the mask is worn Instantly adjustable buckles that are joined to the headband with an indestructible elastic element Downward visibility is increased by 25% compared to the Matrix Minimum internal volume Also available in an optical version The raked lenses, with their inverted drop shape, are quite small and are brought as close to the pupils as possible, so that the already extraordinary visibility of the Matrix is increased by 25% This revolutionary mask is made from High Seal, a new material that offers extraordinary and unprecedented comfort. This is an excellent mask at a great deal!