Open Box Hollis Mask M-1 Professional 9 inches) and weight of

9 inches) and weight of 6 ounces (without hose) support a streamlined gear setup

impact and external pressure

Made with YULEX plant-based foam and neoprene-free construction

FLAT SEAMS: the Seac Ciao neoprene suit is very comfortable to wear

making it suitable for scuba travel

Open Box Hollis Mask M-1 Professional 9 inches) and weight ofVisibility 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 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 underwater.