The Metis is a two-window mask suitable forscuba diving and also for snorkeling.The skirt is completely made in high qualitysilicone, a more comfortable and long lastingmaterial than the traditional plastic PVC. Thesilicone skirt allows to be fi tted from differentkinds of face shapes and ensure a perfect seal.Also the strap is made in silicone and it is largeand wide behind the neck to ensure a tight fi t andcomfort. The length of the strap is easy to adjustthanks to the simple push of the wide buckles.You can choose different kind of lenses, colored ormirrored, to increase the view underwater.All the lenses are made in tempered glass toensure shatterproof and scratch resistant.The nose pocket is soft and easy to access to beuse with only two fi ngers for proper equalization,also wearing gloves.