The zoggs predator flex mirrored swimming goggles are an ideal choice for open water swimming made for wearing in high level light direct sunshine and bright conditions the blue mirrored lenses reduce glare and sun reflections and the fit is comfortable and will stay so thanks to the flexibility of the unique 4 flexpoint technology theres wide 180 degree visibility provided by the curved lens technology and the transparent lenses are anti fog and ensure maximum protection from uv rays to k