The New Sphera X is the next generation Sphera, the number one Freediving mask by Aqua Lung. The unique distortion-free lens technology provides a 180 degree wide-angle field of vision and let the user experience a panoramic vision that's pure freedom for the eyes. The mask also features a new silicone skirt, an attractive lightweight frame structure and an easy-to-adjust micro buckle system. It comes in a heavy-duty zippered EVA Case, not only to protect the Plexisol® lenses but also to reduce PVC plastics waste. 180° distortion-free panoramic vision thanks to the exclusive Curved Lens Technology Plexisol® lenses with special anti-fog and anti-scratch benefits Advanced Fit Technology (AFT) enhancing the sealing features of the silicone skirt, improving fit, comfort and feel Easy adjustable buckle system An innovatively shaped strap better forms to the divers head, increasing comfort and provides a more secure fit Attractive heavy-duty EVA box with corrosion free zipper