Speedo futura biofuse pro goggles the speedo futura biofuse pro goggles are perfect for open water swimming designed for us in triathlons they offer a super comfortable leak free fit thanks to the ultra flex seal these speedo goggles also feature anti fog wide vision lenses with a uv filter that allows for 180 degree peripheral vision and clarity completed with the speedo logo to the sides goggles triathlon specific polarised lenses to reduce glare and brightness ultra flex