●3D Buckle: Perfect adjustment thanks to the new 3D rocker buckle, resistant and easy to use, even when wearing thick gloves. ●Curved edge: The curved skirt edge guarantees optimal comfort and seal without leaving marks on the face. ●Replaceable lenses: 3mm thick tempered glass lenses, impact resistant, replaceable with optical lenses for myopia or presbyopia ●Made in Italy: Seac Symbol is produced by Seacsub in Italy.