Hollis M-1 Mask clincher The XTX50 Octopus is our

The XTX50 Octopus is our top-of-the-line Octopus in terms of features and performance

Paperback Design

Nitrox Compatible Up To 40% Oxygen

Your Logbook is record that you are qualified to make those adventure dives come true

Hollis M-1 Mask clincher The XTX50 Octopus is ourVisibility is the most important aspect of any dive. The M1 mask raises the bar for optical quality and distortion free vision. This lens is an extra clear glass which is valued for its attractive appearance and optical qualities. The low iron content produces a higher light transmittance and a reduced green tint inherent in other glasses. This makes the lens distortion free and helps improve color and visibility in low light conditions underwater.