1.POLARIZED SWIMMING GOGGLES: swim goggles featured with polarized lens. Mirror lens for reduced brightness and glare, eliminate reflected light and scattered light. Ideal for outdoor swimming, kayaking, surfing, and other water related sports. 2.UV PROTECTION: The polarized coating have a effectively protection value of UV-400, resist harmful UV rays of 2 wavelengths: UVA,UVB with . To achieve effective eye protection, you can choose different polarized lenses according to indoor and outdoor swimming environments. 3.SUPERIOR ANTI-FOG LENS: Anti-fog swimming goggles use the latest composite technology to combine the anti-fog lens with the polarized lens. Compared with the old one, the upgraded goggles has a permanent anti-fog effect. 4.COMFORTABLE WEARING & LEAKPROOF: 3D ergonomic design. Secure fit and reduced marks around the eyes.The strap can be adjusted & stably by pressing the lock button. A variety of polarized light can be selected according to needs. HD Lens & Perfect Light Transmission, wide angle design, more clear underwater views. 5.SOLID & DURABLE: Use high-quality liquid silicone non-slip tape. The surface of the lens has REVO mirror layer, resistant to cracking and not easily deformed. Extend the service life of swimming goggles.