Mares X Vision Eco Box Diving Mask Black 411053-EBBK7BK

Features:- Ultra-Clear Silicone- Low Drag Design- Small Ribs Around Nose To Relieve Pressure- Field Of Vision 20% Wider Than Previous Version- X-Shaped Silicone StrapSpecifications:- Weight: 189g- Volume: Moderate- Tempered Glass Lens: Yes- Fitting: RegularTechnologies:Optical Lenses:- Mares offers corrective lenses for most models. In addition to the negative diopters (-1 to -7), for some models also positive diopters are available (+1.5 to +3). Mares design makes it quick and easy to install lenses.Tri-Comfort:- Small horizontal ribs between the frame and the skirt in the area around the nose. These ribs absorb and redistribute the pressure exerted by the frame onto the skirt, with a resulting increase in comfort.