Scuba divers, free-divers, and snorkelers to see clearly underwater.Diving masks may have a single, durable, tempered glass plate in front of the eyes and a "skirt" of rubber or silicone to create a watertight seal with the diver's face
A hollow tube, held in the mouth, used by diver for breathing on surface of sea
3)Fins = Fins for efficient propulsion
Open heel fins. Need Boot
Close Heel Fins.