Cressi Quantum Dive Mask Colour:Black 2:1 9 kg 40lb /

2:1 9 kg 40lb / 395 yds 6+1 451 g 10 6

making it ideal for long periods of wear

Lithium-ion rechargeable battery

UPF 40 Sun protection and quick dry legging

Quality YKK zips

Cressi Quantum Dive Mask Colour:Black 2:1 9 kg 40lb /The Cressi Quantum Mask offers enhanced downward vision and prevents fogging. It features a system of membranes that channel warm, damp air towards the rubber skirt instead of the lenses. The skirt has a cooling system with heat exchangers to lower the temperature inside the mask and prevent fogging. Despite these features, the mask remains compact and has an advanced design. The lenses are not chemically treated, so it's recommended to clean them