The Cressi Quantum combines inclined twin lenses with a silicone skirt designed to redirect warm, humid air away from the viewing area. Its internal membranes and external heat-exchange structures help manage fogging while keeping the mask compact.
Features and benefits
- Inclined tempered-glass lenses extend the downward view towards your equipment.
- Internal membranes guide air towards the skirt; external heat-exchange structures support temperature management.
- Flexible micrometric buckles allow small strap adjustments.
- A bi-silicone strap and double-injection construction balance flexibility with support.
- Compatible corrective lenses can be purchased separately; choose the correct model and power for each eye.
Technical Specs
| Specification | Details |
|---|---|
| Lens layout | Twin inclined tempered-glass lenses |
| Skirt | Silicone with internal membranes and external heat exchangers |
| Strap | Bi-silicone; micrometric buckle adjustment |
| Corrective options | Compatible Cressi Quantum / Big Eyes Evolution lenses; sold separately |
| Cressi fit marker | Between regular and wide |
| Chart references | A: 12 cm; B: 11.5 cm; C: 4 cm |
| Nose-size reference | 5 on Cressi’s 1–5 scale |
Size chart and fitting
Please check the Cressi size guide before ordering. A, B and C describe the skirt and nose area on the diagram; they are not a guaranteed face-width range or overall frame dimensions.
View the Cressi Quantum size guide in cm
Choosing the fit
Hold the mask gently against your face with the strap out of the way. Keep hair clear of the silicone skirt and check the seal, nose clearance and pressure around your brow and cheeks. Use only light strap tension: tightening the strap cannot correct an unsuitable skirt shape. If you are buying a gift, ask our Hallam team about fitting before choosing by appearance alone.
Fog-management features do not guarantee a fog-free mask. Follow the preparation and anti-fog instructions for the fitted lenses.
Care and storage
Rinse in fresh water, dry in the shade and protect the lens in a case. Follow the supplied cleaning instructions and use only a suitable anti-fog treatment. Avoid toothpaste, abrasive cleaners and flame treatments, especially on plastic or coated lenses. Check the skirt and buckles before use.

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