Only got to try it once, but had no issues with leaking or fogging!! Thank you!
I bought two for my wife and I and we have practiced with them in a pool and they work great. cruise and snorkeling in one week. looking forward to the vest and the full face mask.
I loved my mask but my wife does not like hers. I bought her a Med and it leaks around her face. She probably needs a small. She is not sure if she likes the full face feeling. Maybe if it did not leak she would like it more.
Great product. No leaks or issues with fog in the mask.