The Eagle Swimming Goggles from Aqua Sphere fitted with clear lenses are designed to provide the greatest visibility indoors or in low light.The Eagle is a breakthrough in design offering interchangeable optic lenses (available to buy separately) that bring clarity back to your swim fitness workout.Diopters are individually available in halfstep increments from 1.5 to 6.0, ensuring youll have perfectly customised visibility.The Eagle has a onepiece, 100% silicone frame with curved Plexisol lenses that provide 180degree, nondistorted visibility.And an updated easyadjust buckle makes fitting easier than ever!