The Cressi A1 combines single inclined tempered-glass lens with adjustable fitting features for snorkelling and appropriate diving use. The inclined single lens extends the downward view.
Features and benefits
- The inclined single lens extends the downward view.
- A silicone skirt uses a double-rim upper sealing area.
- Frame-mounted buckles on flexible tabs allow one-handed adjustment.
- An accessible nose pocket allows trained equalisation.
Technical Specs
| Specification | Details |
|---|---|
| Model | Cressi A1 |
| Lens layout | Single inclined tempered-glass lens |
| Construction | Framed |
| Skirt | Silicone; double-rim upper seal |
| Adjustment | Frame-mounted buckles on flexible tabs |
| Lens treatment | Depends on the selected version |
Check the lens option shown in the selector. Coating or tint features apply only to the version that includes them.
Choosing your mask fit
Choose by face shape rather than age or gender alone. Keep hair clear of the sealing edge, hold the mask gently against your face and check brow, cheek and nose comfort. Adjust the strap with light tension; tightening it harder will not correct gaps from an unsuitable skirt shape. If you are buying as a gift, check the recipient’s existing fit or ask our Hallam team for help comparing models.
Cressi A1 size guide
| Chart reference | Measurement or guide |
|---|---|
| Manufacturer skirt-fit guide | Between regular and wide (Cressi chart marker) |
| Skirt chart measurements | A: 13 cm; B: 11.8 cm (Cressi chart references) |
| Nose-area chart measurements | C: 3.6 cm; D: 4.8 cm (Cressi chart references) |
| Manufacturer nose-size scale | 4 on Cressi’s 1–5 reference scale |
Open the Cressi A1 manufacturer size chart
Please check the manufacturer’s size guide chart. The measurements describe the mask’s skirt and nose-area reference points, not a guaranteed range of face measurements. They are a guide only; check the seal and nose clearance on the wearer.
Care and storage
Rinse in fresh water after use, flushing sand from buckles before adjusting them. Let the mask dry in the shade and store it without crushing the skirt. Use a suitable anti-fog treatment as directed. Avoid abrasive cleaners, toothpaste and flame treatments, particularly on coated lenses or fitted anti-fog films. Follow the supplied lens-care instructions and check the skirt, strap and buckles before use.

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