This ingenious mask covers your entire face and lets you breathe the way you do naturally, using both nose and mouth. Your breath, like the defroster function in your motor vehicle, will circulate to the mask lens, eliminating fogging. The mask offers a wide field of view so you can take in everything below the surface. Your whole face stays dry thanks to comprehensive coverage, and the snorkel tube is integrated into the top of the Ocean Reef Aria Full Face Snorkeling Mask, keeping water out. The Ocean Reef Aria Black Full Face Snorkeling Mask has a dry top snorkel design. The snorkels polycarbonate tube easily detaches from the mask for storage and safe transport. Internally the tube has a float that will close off the snorkel tube when submerged and upon returning to the surface will re-open for effortless breathing. The Snorkeling Mask has a polycarbonate lens, surgical grade silicone skirt with wide seal edge and elastic straps for a perfect seal on the face. Mask is available in multiple sizes.