The Cressi Calibro Scuba Mask is the first and the only scuba diving mask in the world equipped with the exclusive, patent-pending Fog-Stop System that drastically reduces the fogging on the lenses. The Calibro is built with Cressi's patented Integrated Dual Fram Technology which offers exceptional ?eld of view and perfect sealing. Designed for an extremely hydrodynamic and compact shape with a particularly wide lens, this diving mask fits close to your face. Frame boasts integrated buckles through a robust, flexible rubber attachment so you can easily adjust and place the snorkel. The matte finish prevents reflections underwater. The Cressi Calibro Scuba Mask is perfect for underwater adventures like scuba, freediving, and spearfishing. Mfrs. limited 2-year warranty. Integrated Dual Fram Technology provides exceptional visibility and perfect sealing Patent-pending Fog-Stop System reduces lens fogging Hydrodynamic, compact shape with a wide lens Fits close to your face Built-in buckles for easy adjustability Matte finish prevents reflections