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Overview: What Makes the Guardian Different
The OTS Guardian Full Face Mask on Scuba.com and the Amazon product listing describe a robust full face scuba mask featuring a double seal skirt, integrated regulator, five-point harness system, and an Ambient Breathing Valve for surface air conservation. Full face masks combine breathing, vision, and facial protection into one system, making them popular in cold water, public safety, and specialist diving applications.
Among recreational divers, the Guardian has developed a reputation that inspires strong opinions, both positive and critical, making it a frequent topic of discussion across dive forums, retailer reviews, and social media.
Comfort and Fit: A Major Selling Point, With Caveats
What Divers Like
A common theme across Scuba.com customer reviews and community discussions is comfort. Divers who struggle with jaw fatigue or dry mouth often report immediate relief when switching to the Guardian. The ability to breathe through both nose and mouth is frequently described as a game-changer, especially on longer dives.
Several users mention that once correctly adjusted, the double silicone skirt provides a secure, stable seal with minimal water ingress. Fogging complaints are relatively rare, provided standard anti-fog preparation is followed.
Where Some Divers Struggle
Fit remains one of the most divisive points. Community discussions highlight that the Guardian fits some face shapes extremely well while proving problematic for others. Divers with facial hair, particularly around the chin area, report more frequent sealing issues. This variability is repeatedly mentioned in forum threads comparing full face masks to traditional setups.
Underwater Performance: Comfort Versus Complexity
Breathing and Regulator Feel
Feedback on breathing performance is mixed but consistent in tone. Many recreational divers describe the integrated regulator as smooth and predictable during relaxed dives. However, some experienced divers feel the breathing resistance is higher than premium standalone second stages, particularly when working harder or swimming into current.
Air consumption is another recurring topic. Divers transitioning to full face masks often note an initial increase in gas usage, which many attribute to the larger internal volume of the mask. Several reviewers state that consumption improves noticeably after a period of acclimatisation.
Visibility and Stability
Visibility through the Guardian’s visor is widely praised, with divers noting a broad field of view and reduced distraction compared to managing a separate mask and regulator. Once properly balanced, most users report stable positioning underwater, although some mention feeling slight buoyancy at the surface.
Training and Emergency Awareness
One of the most consistent messages from experienced divers and instructors is that the Guardian should not be treated as a simple equipment swap. Full face masks introduce different emergency procedures, particularly for air sharing and mask removal, and multiple community discussions stress the importance of proper familiarisation or formal training.
While many divers feel safer once trained, others prefer the simplicity of traditional equipment for recreational profiles, citing fewer failure points and more intuitive emergency responses.
Who the Guardian Appeals To Most
Based on aggregated feedback, the Guardian is most commonly praised by:
- Cold-water divers seeking facial protection
- Public safety and professional divers
- Recreational divers who dislike mouth-only breathing or suffer jaw fatigue
Conversely, divers who prioritise minimal equipment, frequent gas-sharing drills, or travel-friendly setups are more likely to prefer conventional mask and regulator combinations.
Final Verdict: A Specialist Tool With Loyal Fans
The OTS Guardian Full Face Mask is not universally loved, but it is widely respected. Divers who commit to learning its nuances and accept its added complexity often become strong advocates. Others conclude that the benefits do not outweigh the changes required to their diving routines.
As What Divers Say reviews so often reveal, the Guardian is neither essential nor excessive. It is a specialist piece of equipment that excels when matched to the right diver and the right conditions.
Find latest deals on the OTS Guardian Full Face Mask at scuba.com and Amazon


