Comfort: Comes with adjustable straps allowing you to have a personalized fit. Anti-fog: There is a special coating on the len for our UV400 mask, benificial to anti fog. So you don't worry about fogging your mask up or losing your visibility. Dry Snorkel: Our snorkel full face mask has dry top snorkel system, consisting on a floating ball, that closes a valve as soon as the mask goes under water. This creates a seal and keeps out the water. Camera Mount: You can film your trip with the easy camera mount on the mask. 180 Degree Visibility: Gives you superior views over a standard diving mask for beautiful underwater adventures.