The Cressi® Calibro & Corsica Anti-Fog, Low-Volume Scuba and Free Diving and Foldable Snorkel Set Combo brings the first and the only scuba-diving mask in the world equipped with the exclusive Fog-Stop System that drastically reduces fogging on the lenses. 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, this mask stays extremely close to the face. The matte coating finish prevents reflections underwater. It's the perfect mask for any activity, from scuba to freediving and spearfishing. The Corsica is the ideal companion piece, a great snorkel for freediving, spearfishing, and scuba diving. Very light and comfortable, it sports a large-diameter tube that provides unobstructed breathing. The soft, bendable snorkel tube maintains proper, comfortable positioning. A specially designed and molded U-bend provides easier clearing capability. It's ultra-flexible and can fold and store in the BCD pocket. Mfrs. 2-year limited warranty. Manufacturer model #: DS439850. Exclusive Fog-Stop System; Integrated Dual Fram Technology: exceptional field of view and sealing; Hydrodynamic, compact shape; Matte coating finish; Large-diameter tube; Soft, bendable snorkel tube design; Specially molded U-bend;