Full Face Diving Mask with Handle for Sports Cameras in Size S/M A special mask, designed specifically for the use of sports cameras, which is characterized by solid construction, high transparency glass fastmade of tempered glass with a wide field of view of 180. Thanks to the tube with the "Dry Top" system, it is possible to breathe underwater through the nose and mouth without much problem. EASY ADJUSTMENT With the flexible adjustable material strap, you can easily adjust the mask to your face which attracts the most demanding customers. You can record your favorite underwater videos hands-free. HOW TO CHOOSE THE SIZE OF THE MASK? Measure the distance from the base of the nose (between the eyes) to the chin - compare the result with the information in the picture next to it. ANITFOG AND DRYTOP SYSTEMS The surface of the mask provides up to 180-degree field of view. The AntiFog technology used in it means that even in the case of large temperature differences or during prolonged use, the inside of the mask will not fog up. The DryTop system is the latest solution to protect the snorkel from pouring water during or flooding by the wave. The air intake is spontaneously blocked in the event of an influx of water – so you do not have to be afraid of aspiration during diving. Thanks to this, the mask works not only in calm waters such as swimming pools or lakes, but also in seas and oceans. Description of the DryTop system - automatic blocking of the air intake by the float in case of immersion or flooding with water. The position of the swimmer during immersion. The position of the swimmer during ascent.