Nano Wave is a civilian use, reusable face mask combining industry leading filtration and performance textile technology. Fabricated from Nano Foam with increased air flow, the mask can be worn for longer periods without the rise in body temperature. The unique uni-directional, filtered valve technology allows for increased ventilation, breathability and is forged within an outer and inner layer of proprietary Nano Foam housing, providing increased filtration and a contoured fit for protection and durability.