Hollis M-1 Mask

Hollis M-1 MaskM 1 Mask Visibility is the most important aspect of any dive and 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

Employing what's known as "propeller technology

Triple-glued and blind-stitched seams prevent water exchange

Dual material second stage cover enables entire front to be used for purge

by combining the Scupper Valve lower section with the sleek looking SV2 Semi-Dry top

Easy breathing is delivered by the patented Titanium Seat Saving Dynamic Orifice and balanced poppet

This allows excellent transfer of air from side to side for stability and ease of dumping

Durable nylon frame

the zipper

which are soft to the touch for easy and comfortable adjustment

Marketing Product Type - Masks Single Lens Skirt Technology Standard Prescription Lens Compatible No Materials - Masks Polycarbonate

Tempered glass lens

Chronograph with lap memory for running