Scubapro Frameless Single Window Scuba Mask, BlackVenerated mask continues to attract admirers from all corners of the diving world. What's so great about a frameless mask? By eliminating the frame, you create a mask that sits closer to your eyes. This provides a wider field of view to better take in the underwater sights, plus it reduces volume which makes it easier to clear. Also, since there is no frame, the buckles attach directly to the skirt. This enables the mask to fold relatively flat for