CONS | Things that full face Snorkel masks aren't so good with
Sorry, there's just no getting around this one.... beards will cause water to enter the mask. Whether it's a traditional mask or the Ocean Reef Aria, water will get in if there's hair between the silicone skirt of the mask and your skin. Beards create tiny spaces that will allow water to seep in.
Water will also leak into the mask if you don't clear long hair away from your face when putting the mask on. It may feel like a tight seal, but a fringe or long hair trapped between the mask and your skin is going to allow water to seep into the mask.
You can dive to up to 10 feet (or around 3 meters) below the surface with a full face snorkel mask but these are not designed for Free Diving. There's too great a volume of air inside the face cavity of the mask, and it will become uncomfortable under the pressure of deep diving.
Snorkel masks are designed for leisurely surface snorkeling in relatively calm water. As with a traditional snorkel and mask, if you lean your head too far forward water will enter the snorkel. The float valve system only works when the snorkel is in a vertical position. It can let water into the snorkel when free diving, or duck diving.
Don't buy a full face snorkel mask if you’re intending to use it while swimming laps. You’ll be disappointed with the performance, as full face snorkel masks are simply not designed for this.