Genesis most popular mask has been newly designed. The RX is a 2-window low profile, low volume mask made with a liquid injected crystal silicone rubber skirt material for an extremely comfortable fit. Skirt features a double feathered edge skirt for a great seal. Mask is equipped with easily adjust ratcheting swivel buckles and an easy-to-reach one-hand nose pocket for ear equalization that can be utilized even when wearing thick gloves. As with any quality mask it is constructed with dual tempered glass lenses and the wide split Style strap combined with the double feathered edge skirt create a perfect seal on the face. Mask comes with a clear plastic mask box for added protection when in storage. The Genesis RX Mask is available in multiple color choices with a clear silicone rubber skirt. Mask is also available with a black silicone rubber skirt with black frame. If you're tired of not being able to see well underwater or can't read your computer or gauges, maybe you not sure what F-Stop you are setting your camera on? If these are problems for you when diving you need to get a set of Diopter Lenses for your Dive Mask.