First off let me start by saying that i AM NOT A FISH. Thats what the wife and I call the people we swim with. Young people who have been swimming all their lives. I bought the goggles because I hate the way traditional goggle fit ( Or don't fit) the face. After going through all the fittings, the app, and not knowing how they would be. I was amazed. I have been swimming with these for almost two months now and not one leak. The mirrow coating works fine for the indoor pool. Makes every thing look so much better. I will definately be buying another pair for when the outdoor pools finally finishes repairs enogh for us to swim outside.