Hollis M3 Black Dive Mask Colour Options:Black Crystal Frame-Black Skirt » T-shell™ lens coating resists

» T-shell™ lens coating resists scratching in extreme environments

» Replaceable White Nose Pads with spare set included

Prescription Swimming Goggles

youth specific designed to perfectly fit young guns

Hollis M3 Black Dive Mask Colour Options:Black Crystal Frame-Black Skirt » T-shell™ lens coating resistsHollis 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