Shark's Tooth Snorkel Mask Full Face- Easy Breath- 180 Panoramic Seaview- Swimming Mask- Innovative V Backstop Technology- Scuba Mask- Anti-Leak&Anti-Fog Full Face 180 Panoramic Views  This 2-in-1 snorkeling mask with anti-fog lenses gives you wider, clearer peripheral vision for underwater swimming and snorkeling. Smarter Breathing System  The Sharks Tooth snorkel mask features a dual valve respiratory chamber, larger side valves, longer tube, and a wider breathing channel. Integrated GoPro Camera Mount  The front of our mask also lets you mount a GoPro or compatible camera for capturing 4K video of fish or coral hands-free. Proper Anti-Fog Air Flow  The superior breathing channels not only make it easier to breathe it helps prevent your lens from fogging up for clearer underwater viewing. Adjustable Comfort Fit  Designed for adults and youth, the elastic head bands better fit your head shape while the silicone skirt provides a soft, leak-resistant fit.