Swimming Goggles Have Scratches On The Frames But Still Can Be Used The one goggle has one great fit for all that adapts to every swimmer thanks to its exclusive gasket design based on the Study of the human face and eye orbit. Hard polycarbonate lenses, a self-adjusting nose bridge, a split strap, and a TPR seal ensure a great, no-leak fit. One fit for all adapts to every swimmer Exclusive gasket design based on the study of the human face and Eye orbit Features hard Polycarbonate lenses and a self-adjusting nose bridge Great for triathletes Split silicone strap with a TPR seal