The aqua sphere kayenne ladies swimming goggles with polarized lenses are great for indoor outdoor and open water swimming including for use in triathlons with their 100 uva and uvb protection the large and durable plexisol lenses boast 4 point expansion which gives 180 degree vision and the lenses are anti fog so your view is clearer the silicone strap the stabilising nose bridge and the one touch quick fit buckle combine for a comfortable and secure fit which can be adjusted simply