Hollis M3 Black Dive Mask Colour Options:Black Crystal Frame-Black Skirt the entire design of the

the entire design of the skirt has followed new rules which allow a point of contact between the mask and the face that has a very open angle

» Spare Brown Tint lens – Category 2 – AS/NZS 1067

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the heritage of performance has a new milestone

Hollis M3 Black Dive Mask Colour Options:Black Crystal Frame-Black Skirt the entire design of theHollis M3 Dive Mask Lens Options. Single Vision Prescription Lenses Gauge Reader Prescription Lenses 35mm Bifocal Prescription Lenses Franklin Bifocal Prescription Lenses Single Vision Lenses Single Vision Lenses have a single focal point for distance vision and can be made for a wide range of prescriptions including high prism and high cylinder powers. Single Vision lenses are made from optical crown glass for optimum optics and also available in