Cressi Quantum + Itaca Ultra Dry Snorkel Set Wings Simply put

Simply put

memory and insulation

The mask features an "X"-shaped strap made from double silicone

Included in the box:

Cressi Quantum + Itaca Ultra Dry Snorkel Set Wings Simply putThis snorkel set consists of the Cressi Quantum mask and Itaca Ultra Dry aerator, contained in a stylish and convenient carrying bag. The Quantum mask features advanced anti fog technology, combining a patented inner membrane system and external heat exchangers. The inner membranes around the nose and eyes act as a barrier, trapping moisture and channelling it away from the lenses to prevent fogging and reduce the need for pressure compensation.