Mares Opera Diving Mask Blue Men,Women

Simple and sturdy. - Traditional design. - Durable for travel. - Light weight.Expression of Mares tradition. Rugged, durable construction make this a good travel companion.Symmetrical lenses simplify the option to customize the mask with corrective lenses, which are available in a complete range from -1 to -7 diopters.Bi-lens:- Due to their construction bi-lens masks usually provide less internal volume. - They guarantee great performance and durability. - Ideal for divers that are looking for the possibility to install corrective lenses.Optional optical lenses:- Mares offers corrective lenses for most models. - In addition to the negative corrective lenses (-1 to -7) , some models also have positive (+1,5 to +3). - Mares design makes it quick and easy to install lenses. Mid size:- Mares has dedicated its effort to create a line of masks in Mid size. - Adults with narrow faces and young divers may find this an ideal choice.- Those divers will discover the pleasure of a perfect fit with