The Vista swim mask features the best in Aqua Sphere technology. with a comfortable, leak resistant skirt and a contoured, stylized frame, the Vista is low profile and virtually eliminates all of the drag experienced with other swimming masks. With its one-touch buckle, you are ensured a comfortable, custom fit so you can focus on our swim, not your gear. FIT - No two faces are alike. Understading facial geometry is both an art and a science. Every year.Aqua Sphere design team continues to refine and improve the fit of our masks and goggles. Aqua Sphere eye protection offers an optimized fit unequaled comfort and performance to the widest POSSIBLE range of facial shapes.