The Typhoon Silicone Scuba Mask is a 2-window mask designed to fit average faces. Its low volume design allows for easy clearing. The double feather-edged skirt provides a snug, watertight fit with care for your comfort. The mask offers the easy installation of corrective lenses, so you never have to miss a moment of the crystal clear action! Typhoon Semi-Dry Snorkel has a flexible, corrugated section that drops snorkel from face when not in use.