Open Box Cressi Atom Frameless Freediving Mask - White / Black Snorkeling Masks The Seac One mask has

The Seac One mask has a toughened tempered glass

Perfect ergonomics and user-friendliness

with its revolutionary composite wave rib technology

With side vents secured by poppers

and testing and four Mares patents all concentrated in one unique product

Open Box Cressi Atom Frameless Freediving Mask - White / Black Snorkeling Masks The Seac One mask hasPlease note this is an OPEN BOX offer. The item will be in new condition, but may not have original packaging. PRODUCT DESCRIPTION Atom is a radical mask, with incredible low internal volume, thought and built for free diving. It is a frameless mask. Construction material has been reduced to the minimum. Inside the silicon facial a stiff core is co stamped with the two lenses, giving just the right rigidity to the mask. This semi rigid core