Hollis M1 Mask harness We’ve started using the new

We’ve started using the new 21700 style battery which gives us higher lumen output

Easy-to-Use Rubber Snorkel Keeper

Undergarment (fleece or overall-type garments worn under the drysuit) options

Audible Alarm

Features include: Scupper valve

Hollis M1 Mask harness We’ve started using the newThe M1 Mask raises the bar for optical quality and distortion free vision. The lens is made from Saint Gobain Diamant, a highly transparent extra clear glass which is valued for its unique appearance and optical qualities. The low iron oxide content gives it optimum clarity. Its light transmittance is greater than that of conventional glass. The use of extra clear glass results in a virtually colourless product which allows objects to remain vivid and