The first and the only scuba diving mask in the world equipped with the exclusive Fog-Stop System that drastically reduces the fogging on the lenses. Patent pending. The Calibro is equipped 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 and a particularly wide lens, maintaining the mask extremely close to the face. Frame integrated buckles through a robust but flexible rubber attachment allowing adjust and place the snorkel. The matte coating finish prevents reflections underwater. Perfect mask suitable for any activity: scuba, freediving, spearfishing. The Calibro is designed and manufactured in Italy by Cressi, a brand pioneer in Scuba Diving, Snorkeling, and Freediving since 1946. The product is covered by a 2-year limited warranty.