Blueseventy Hydra Vision Frame Goggles Winner of Triathlete Magazine Editor’s Choice Best Goggle, the Hydra-Vision uses the latest soft frame technology with emphasis on visibility and improved dynamics in the water. Further enhanced for 2015 with a polarized lens option. Polarization provides clarity by filtering out nearly all surface glare that causes eye fatigue. Polarized lens allow you to see the buoys further away so that you can find the best possible line. Features: Low profile CP lenses deliver unmatched antifog properties Split yoke strap for security even in the toughest open water swims. Integrated soft touch auto adjust strap system allows ease of adjustability Latest HDR TPR frame materials used to reduce weight, increase comfort and fit Unibody construction : Integrated on frame soft touch strap adjustment system Wide view curved lens provides extended vision and clarity compared to regular lenses Integrated adjustment allows for smoother less interrupted water flow over the goggle, improving hydro-dynamics