Hollis M-4 Mask ScubaPro HUD Frameless Mask which allows it to close

which allows it to close quicker than any other dry dive snorkel

Included in package: rear cap

Installs on the second stage end of a regulator hose

enabling you to take it anywhere

unused material due to the right and left foot-specific designs

Hollis M-4 Mask ScubaPro HUD Frameless Mask which allows it to closeWhen choosing a mask, fit and field of vision come first. The M4 Mask gives you the best of both worlds, fitting a wide variety of faces and offering superior peripheral and vertical vision. It is low profile, stows easy and carries an excellent value. Features: Frameless silicon skirt Rugged mask box and adjustable mask strap included Increased vision and low volume