Aqua Lung Sport Flexar Mask Fin Snorkel Set, (Made In Italy) Exclusive Power Zone Technology optimizes the bending of the blade during kicking maximizing the performance. VisionFlex LX Mask: Frameless construction. Bi-color silicone technology. Tempered glasses. Slanted lens. Quick-Fit buckle system. Wide field of vision. AirFlex Purge LX Snorkel: Anatomic silicone mouthpiece. Ultra Purge Silicone valve. Easy and quick fix clip. Splash guard with purge channel.