Hollis Model:M4 4 mounted on a rotating

4 mounted on a rotating turret for improved hose orientation

the One Piece Arctic provides a simple solution to the challenges of thermal protection

you know the way back to the boat and they trust you

you can start the experience here:

Hollis Model:M4 4 mounted on a rotatingVisibility is the most important aspect of any dive and the M 1 Mask raises the bar for optical quality and distortion free vision. The lens is ultra 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 underwater.