Vapor Zone3 Photochromic Swimming GogglesAnti-fog photochromic lenses that adapt to weather conditions.100% UVA / UVB protection.Large curved lenses for excellent peripheral vision. Vapor Zone3 Photochromic Swimming GogglesUltra soft silicone bezels for added comfort and protection make them the perfect goggles for swimming in the pool and open water.Curved lenses that provide an excellent field of viewPhotochromic lenses automatically darken in brighter sun conditions and stay clear in low light conditions. The goggle's flexible silicone frame and easy-adjust straps make it fit a wide range of head and face sizes.