Mantis LV Mask is another high-quality diving mask from Gull Japan, unlike other low volume masks, the Gull Mantis LV Mask is one that fits many divers’ faces. It has an improved downward field of view — the inclination angle and shape of the lens work together to extend downward field of vision. You can see better through the arc down to chest level, which is where most diving tasks are carried out — all without exerting too much pressure on the cheekbones with the soft damper. The glass of these masks reduces 98% or more ultra-violet rays help protecting diver and snorkeler’s eyes. These twin-lens mask is ideal for skin diving and for scuba diving.

Make refference to Gull Vader Mask UV 420 is an alluring top of the line (UV Protect Diving Mask) with single len for wider view.