Same great fit and style as the Ion with side windows for increased peripheral vision
Sturdy lightweight frame | Low volume design for wide field-of-view and easy clearing
100% liquid silicone for comfort and long-life
Tempered glass lens for safety | Easy adjusting buckles for convenience
Neoprene Comfort Strap included

Product DescriptionChange your point of view. A low profile family [...]Post from: Dive DivingOceanic Ion 4 Window Dive Mask, with Hard Mask Box, Black