This is a new revolutionary design in goggles from Speedo, the industry leader in quality, performance and fit. It features a gasket which is filled with air giving it an unbelievably comfortable seal. The curved lens gives you fantastic peripheral vision and low-profile which limits drag. The anti-fog coating is what you have come to expect from Speedo and exceeds all standards ensuring clear vision even during the hardest workouts. The tough mirror coating will help by greatly reducing the visible light and glare that bothers your eyes during the brightest of swims.