Hollis M4 Mask audience-mens cleaning a hull

cleaning a hull

Versatile Functions properly when right side up or upside down

Under-Helmet Compatible: Thin and flexible enough to wear comfortably beneath a dive helmet or full hood setup

Dive Time Indicator: The console includes a dive time indicator that tracks the duration of your dive

Hollis M4 Mask audience-mens cleaning a hullWhen 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. Frameless 100% pure silicone skirt Rugged mask box and adjustable mask strap included Increased vision and low volume