Hollis M1 Mask Clear - New! Octopus make them an essential tool

make them an essential tool for divers seeking reliability and ease of use

such as our world famous regulators

cam strap buckles

quick guide

which can be coordinated with your equipment

Hollis M1 Mask Clear - New! Octopus make them an essential toolOder today and get a dry bag for free! Visibility 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