With us in the family 2 copies already be used. The fit is in adults (daughter, 15 years, Papa) very well. The mask fit even during long snorkeling gears very convenient, is not pressing and holding tight. After the usual preparation (clean spitting and rinsing) absolutely no fogging. After about 4 weeks of intensive use (Red Sea and Mediterranean Sea) we see no signs of wear.
Positive is especially the black mask body. Have once a clear silicone mask tried - very unfavorably by annoying reflections, I buy only black.