Contour Swim Goggles for Men & Women-Best Recreational Swimming Goggles-Comfortable Low Impact Silicone Gaskets-First Class UV Protection-Anti-Fog PVC Lens-Flexible Nose Bridge-Guaranteed Not To Leak The silicone gaskets are soft and generously sized to fit very comfortably on most face shapes with low impact on the eyes and guaranteed not to leak. The lens are made of high density, optical grade PVC that will resist normal use impacts, give you crystal clear vision, and fully protect your eyes. The optical grade lens also block out both UV-A and UV-B radiation to provide complete protection for your eyes outdoors. The manufacturer of our swimming goggles also makes high quality, reasonably priced swim goggles for Mizuno, TYR, Disney and Swimfit. So go ahead and order one, or several, right now! You have nothing to lose because we offer a Lifetime 100% Money Back Guarantee! Read on for more information.