The dual lens goggle mask design of this scuba diving product bonds a high-grade silicone double feathered edge skirt straight to two tempered glass lenses. The face seal of this scuba diving mask has a wide field of vision and is ideal for diving, swimming and snorkeling. Mostly divers, swimmers and snorkelers enjoy wearing this underwater equipment because it does not fog, has high-quality lenses, a wide field of view & a comfortable fit. The comfort fit 100% soft silicone (black) skirt provides a tight seal that keeps water out of their eyes for a more comfortable dive.