NEW LEAK-FREE 3D ERGONOMIC DESIGN - The swim goggles are made of high quality silicone pad with seismic double seal design. Goggles with an ergonomic 3D design to ensure a face-friendly shape, a perfect seal around the eyes, never leaking, allowing you to concentrate and enjoy the ultimate leak-free swimming experience. SEAL SUPER COMFORT and REPLACEABLE NOSE BRIDGES and ELASTIC STRAPS - Ultra-soft silicone seal and upgraded nosepiece material provide extreme comfort that never hurts the nose or marks the face. The goggles provide a replaceable nose bridge in 3 sizes to meet the needs of different people. The headband is made of soft and elastic silicone, it is adjustable. No more tangled hair! ANTI-FOG and WIDE VIEW DESIGN - The inner surface of the mask lens adopts the newest anti-fog treatment environmental protection technology, it improves the ability anti-fog of the swimming mask lens to give you a long and clear vision underwater. The goggles are designed with wider lenses so you can have undistorted peripheral vision and a safer swimming experience. UV PROTECTION - The colored outer surface of the lenses with UV-Protection coating allows these reflect harmful UV rays, protect your eyes from UVA/UVB rays and reduce sun glare when swimming outdoors. Convenience for you indoor and outdoor swimming.