For the price these goggles are great. They don't fog.
It took a it to figure out how to adjust the goggles. I was not used to a back-of-the-head adjustment device. However, after adjusting, I was amazed that I had ZERO leakage. I would have rated them 5-stars, but the clumsy adjustment device made me lower the rating my one star. However - Love them.
No fogging. No leaking. Great fit.
You get several nose pieces - be sure to switch to the one that makes the goggles fit your eyes. They didn't seal around my eyes until I changed to a smaller nose piece so the eye pieces weren't so far apart. They do fog up, however.
I previously bought the TYR Socket Rockets (Swedish Racing Goggles) because I don't mind the non-gasket frame. Unfortunatly those kept fogging up every few laps and the peripheral vision was limited and when I did any kind of racing dive they immediatly fell off!! Funny cuz these are one level up from the tracer in terms of level swimmer/athelete each goggle fits. I also bought another pair of Nike Goggles with foam gasket that worked well but the foam crumbled after one month of use! After seeing a friend at the pool with their new sexy sleek tracers I decided to check them out. All reciews on SwimOutlet were in strong so I bought a pair. Been in the pool just a few times with them so I cant comment on their longevity or durability but so far the vision is great. Peripherals are excellent which lend to a feeling of more confidence and comfortability when doing distance workouts becomes a mental challenge. No problems with fogging whatsoever even during a 90 min heart pumping sweaty (yes even in the pool) workout. Love em so far. I'll re-comment if I run into problems with durability, etc.
Visibility is great, no leaking, and very comfortable. Only used them in the pool so far, looking forward to some open water swims this spring.