The Rob Allen Cracker Black Diving Mask is a dual-lens diving mask for spearfishing, freediving and snorkelling. Its low internal volume reduces the air needed to equalise at depth and brings the lenses close to the eyes for a wide field of view. Tempered glass lenses and a soft silicone skirt are fitted, with an adjustable strap system.
Key features
- Dual-lens design
- Tempered glass lenses
- Soft silicone skirt that seals against the face
- Low internal volume to reduce equalising air and widen the view
- Adjustable strap system
- Black
Specifications
- Type: dual-lens diving mask
- Lens: tempered glass
- Skirt: soft silicone
- Internal volume: low
- Strap: adjustable
- Colour: black
- Use: spearfishing, freediving, snorkelling
How to use and care
Test the fit by placing the mask on your face without the strap and breathing in gently through your nose; it should hold in place. Rinse with fresh water after use and store out of direct sun. Keep the mask in a case or on a flat surface so the skirt keeps its shape. A low-volume mask sits close to the face, which many freedivers and spearfishers prefer because it needs less air to clear and equalise. Make sure that the skirt seals evenly all around, with no hair under the edge, before you enter the water, and spit or use de-fog solution on the lenses to reduce fogging. Hold the mask by the frame rather than the glass when handling it.
FAQ
Is it suitable for freediving?
Yes. Its low internal volume is designed for spearfishing, freediving and snorkelling.
What are the lenses made of?
Tempered glass.
Can I adjust the strap?
Yes, the strap system is adjustable.









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