Product description BEST SWIMMING GOGGLES Arch Lens design provides you a wide field of vision and reduce the water resistance. Completely sealed silicone protective circle design prevent water from entering your goggles, help to reduce the pressure around the eyes, keep your eyes dry and comfortable. ERGONOMIC DESIGN Functional Strap very easy for both adult and youth to put on or take off the swim goggles! Silicone allows head to breathe for a more comfortable fit. The swim cap protect your hair and ear from bacteria, chlorine and other substances in the water to insure a safe and happy swimming experience..