The Frameless 2 displays an intriguing evolution in diving masks. This mask's design doesn't include a frame; instead the lens and pliable silicone skirt are attached. Think of this design as a way of removing the mask's middleman. This design reduces the mask's weight and allows for a more snug fit. The streamline style allows for a snug fit and clearing ease. The Frameless 2's tempered glass lens provides greater visual clarity and safety. The mask's split strap allows for single-hand adjustments - you don't need to drop everything for this mask.