The JBL The Zero Dive Mask takes volume down to the bare minimum. The soft silicone skirt cradles your face delivering a perfect seal and all day comfort. This JBL mask has a large tempered lens which provides a huge field of view. The matte finish frame adds an additional level of stealth. The straps are easy to adjust which make quick fit adjustments and give a confident face sealing. Comfort and performance; the Zero is the ultimate low volume mask.