BEST EYE PROTECTION AND CLEAR VISION FOR SWIMMING - This swimming goggles are mirror-coated with the latest anti-fog protection with specially designed, Keep goggle fogging to a minimum! Provide exceptional clarity and underwater vision! Protect against drops and scratches,shatterproof lenses to let you have prolonged clear vision. COMFORTABLE WEARING - Advanced environmental protection flexible silicone frame. According to the design of 3D human engineering, let the eyes sticks to eye frame more comfortable. Completely sealed silicone protective circle design to prevent water from entering your swimming goggles. This is a feature of our swimming goggles - KEEP WATER OUT, Comfortable to wear.