Hollis M-1 Frameless Mask Regulator 3D Pattern for optimal shape

3D Pattern for optimal shape and fit

butt-plate rails can be difficult to access if back-mounted gear covers them-up

2-Models w/Lift Capacities of 45 lbs

Octo pocket

Utilizing External Skin to Support Load Area

Hollis M-1 Frameless Mask Regulator 3D Pattern for optimal shapeThis products Overview Visibility is the most important aspect of any dive. The M1 Mask raises the bar for optical quality and distortion free vision. The extra crystal clear Saint Gobain Diamant tempered glass single lens 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 glass. This makes the lens distortion free and helps improve color