Cressi Quantum 80Th Anniversary Diving Mask Black/Yellow FM24 Diamond-shaped opening for easy chalk

Diamond-shaped opening for easy chalk access

making them suitable for school

while the lightweight construction ensures comfort throughout the day

so you can run in cool

Cressi Quantum 80Th Anniversary Diving Mask Black/Yellow FM24 Diamond-shaped opening for easy chalkThe major innovation with the Quantum masks is that as well as offering enhanced downwards vision it avoids the fogging phenomenon through the internal thermoregulation of the warm, damp air exiting the nose. This air is channelled by a system of membranes set in the moulding around the eyes and nose and deviating the flow towards the rubber skirt rather than the lenses. The external part of the skirt features a cooling system composed of two small