Used Scubapro Solo Scuba Snorkeling Dive MaskThe Solo is a modern single lens mask that offers a panoramic, low volume field of view in the streamlined design. The double sealed silicone skirt molds to the face to create a comfortable, watertight seal. Buckles with flexible mounts on the skirt allow you to easily route the non slip strap to achieve the perfect fit. This mask is a favorite among recreational divers.