Frameless Design Frameless design delivers lower volume, greater flexibility, and a lighter weight. That makes the Plazma great for traveling because you can crumple the skirt right against the faceplateComfortable Fit Pressure reduction zones are incorporated into the silicone skirt at strategic points to help relieve the pressure of the mask on long dives. This engineered design utilizes these reinforced zones to improve also skirt stability at traditional weak pointsMultiple Lens Options Two lens options: Clear and Amber, that reduces glares in shallow water and enhances red colors in deep waterQuick Fit Buckles The one-touch button release allows for easy adjustment for the best fit, even while wearing thick glovesPerfect Fit Advanced Fit Technology (AFT) enhances the sealing features of the silicone skirt, improving fit, comfort and feelHigh Quality Strap Preformed mask strap better forms to the diver's head, increasing comfort and provides a more secure fitReusable Protective Case Frameless design and a reusable protective case make the Plazma mask perfect for travel