Pre-treated with anti-fog

Nothing can ruin a dive faster than a foggy mask, especially when it means continually having to clear it to be able to see while diving. Dive masks can fog for several reasons, including being new, being dirty, and not fitting properly.

Before a dive, it is almost always necessary to apply anti-fog to a mask to prevent fogging. Forgetting to do so can result in a constant struggle during your dive.

The exception to this rule is diving with the Cressi A1 dive mask. The A1 comes pre-treated with anti-fog, making this mask ready to dive right out of the box. There’s no need to scrub the A1 when it’s new, and no need to apply anti-fog before diving. Cressi guarantees a fog-free dive with the A1.

The A1 was designed as an attractive, low-profile dive mask and is available in various colors. The A1 also offers two different lens options, clear or yellow. The yellow lens increases the vibrancy of color underwater and protects against UV.

Let’s dive in to see why the Cressi A1 is a DIVEIN favorite.

Our Overall Review

We have thoroughly tested - and read reviews from other experts and users. In summary, this is what we think:

4.9

Things we like:

  • check-mark
    Built-in anti-fog technology
  • check-mark
    Low profile
  • check-mark
    Push-button buckles easy to adjust
  • check-mark
    Available with yellow lens
  • check-mark
    Looks super cool

Things we don't like:

  • check-markSilicone under nose could be softer
  • check-markFrame finish scratches easily

Where to buy:

Cressi A1 Dive Mask Product

Cressi A1 Dive Mask

Specs & Features

  • Single lens
  • Tempered glass pre-treated with anti-fog technology
  • Hypoallergenic, soft silicone strap and skirt
  • Low profile
  • Soft nose pocket
  • Push-button buckles
See the complete list of the best Scuba Masks here!

Lens with Built-in Anti-Fog

Cressi made the A1 with built-in anti-fog technology. When opening this mask, a sticker states that the A1 does not need to be pre-treated to remove a manufacturing film, nor should you use anti-fog. Though this mask claims to guarantee a fog-free dive, our reviewer was a little skeptical to try this technology out on a dive aimed to see hammerheads in the Galapagos Islands.

Pre-treated with anti-fog technology, there is no need to use anti-fog on the A1’s lens before diving
Pre-treated with anti-fog technology, there is no need to use anti-fog on the A1’s lens before diving

There should have never been any doubt—Cressi’s A1 did not fog up once! The lens remained perfectly clear throughout the trip. Not only did the built-in anti-fog stand up, but the mask also did not leak. This win-win makes this the default mask for this reviewer on future dives.

Out of the box, the Cressi A1 states that you don’t need to scrub the mask before wearing
Out of the box, the Cressi A1 states that you don’t need to scrub the mask before wearing

One thing to note, though, is that Cressi does not state how long the anti-fog technology will last. If properly taken care of, though, the lens should continue to remain fog-free.

Increased Visibility 

The A1 is a single lens mask, providing a wider field of vision than a double lens mask.

The lens is shaped like an inverted teardrop, which increases downward visibility. This design made it easy to glance down at a dive computer and gauges while diving.

The A1 has an inverted, teardrop-shaped lens to improve downward visibility
The A1 has an inverted, teardrop-shaped lens to improve downward visibility

However, because this is a low-profile mask, the field of vision is not quite as wide as other single-lens masks like the TUSA Freedom HD.

The A1 lens is available clear or with a yellow UV 420 sun-protection coating. The UV 420 coating helps protect the eyes from sun damage and also increases the contrast and vibrancy of colors underwater.

Attractive Mask Design

In short, the A1 is a super-cool looking mask. Low-profile masks, like the A1, have less air space and sit closer to your face, allowing you to clear water out faster than from masks with a larger volume. This low-profile design not only makes the A1 look sleek on your face, but also makes it easy to clear.

The Cressi A1 is a low-profile mask
The Cressi A1 is a low-profile mask

Because this is a low-profile mask, it might put a little pressure on the brow of some divers. When testing a mask’s fit, make sure it sits comfortably on your face and does not apply uncomfortable pressure to your brow or cheeks.

The A1 comes in pink, black, and blue with a black skirt, or white with a white skirt. The frame has a flat, metallic-looking finish, which makes it look expensive—without the high price tag. Note that because of this finish, it’s easy to scratch the color on the frame, so it’s important to keep this mask in its carrying case between dives.

The A1 has a sleek design that includes a frame with a flat, metallic finish
The A1 has a sleek design that includes a frame with a flat, metallic finish

Sealing Skirt 

The Cressi A1 mask skirt is made of a soft silicone that claims to be adaptable to most face shapes. However, this mask may offer a better fit for small- to medium-sized faces due to the mask’s low profile and the size of the skirt.

The skirt design of the A1 provides a good seal that prevents flooding
The skirt design of the A1 provides a good seal that prevents flooding

The nose pocket of this mask is flexible, which allows the diver to more easily and quickly equalize during the dive.

The skirt is generally comfortable, though the portion below the nose pocket could be softer to allow more flexibility when using a mouthpiece. After several dives, the reviewer noticed a little discomfort in their upper lip compared to masks that have a varied-thickness silicone skirt, like TUSA’s Freedom HD and Paragon masks.

Easy-to-Adjust Buckle System 

The A1’s buckle system is easy to adjust, even with one hand. To do so, simply pull on the strap. This feature is extremely helpful for divers with long hair who have experienced hair pulling while trying to adjust a mask that does not have an easy-adjust system. The buckle system proved to be easy to adjust while wearing gloves as well.

The easy adjustment for the A1 was similar to the TUSA Paragon mask, though the Cressi A1 may be slightly smoother when pulling on the straps.

The A1’s buckle system allows for quick and smooth strap adjustments
The A1’s buckle system allows for quick and smooth strap adjustments

Price/quality ratio: 

The Cressi A1 mask is comparable in price to similar single lens masks, but offers built-in anti-fog and an optional protective UV lens. This mask also looks expensive without the steep price tag associated with high-end masks.

Do we recommend Cressi A1:

We recommend the Cressi A1 mask for both scuba divers and freedivers. Overall, the A1 performed well, did not leak, and it was easy to equalize while wearing it.

One of the best features of this mask is the built-in anti-fog technology. However, even if this mask did not have the anti-fog technology, it is still a solid, high-performing mask at a reasonable price. Its sleek design looks great on a diver’s face and its buckle system allows for smooth strap adjustment.

Related Reviews

Our Overall Review

We have thoroughly tested - and read reviews from other experts and users. In summary, this is what we think:

4.9

Things we like:

  • check-mark
    Built-in anti-fog technology
  • check-mark
    Low profile
  • check-mark
    Push-button buckles easy to adjust
  • check-mark
    Available with yellow lens
  • check-mark
    Looks super cool

Things we don't like:

  • check-markSilicone under nose could be softer
  • check-markFrame finish scratches easily

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FAQ

Frequently asked questions

Should I choose a mask with a clear lens or treated lens?

There are benefits to both. Whether you choose a mask with clear lenses or treated lenses ultimately comes down to personal preference. Treated lenses are designed to either protect against UV light or improve color underwater; most are not designed to do both. The finish of treated lenses can vary to appear dark like sunglasses, reflective, or yellow.

While a mask with treated lenses is great for protecting the eyes from bright light, treated-lens masks are not great for night diving, as they can make everything appear darker. Clear lenses are a great choice for divers who want a simple design and who don’t want to keep a mask specifically for night diving. They are also great for divemasters and instructors so that other divers can see their eyes while diving.

How do I properly fit a mask?

Every mask fits a little differently. It is important to choose a mask that provides a proper fit for your face to avoid leaking. Here are some guidelines for testing a mask’s fit:

  • Remove or loosen the strap so that it is not holding the mask in place. You want to make sure the mask seals to your face without the assistance of the strap.
  • Make sure there is no hair under the skirt—even the smallest amount can break the seal of a mask. Place the mask on your face, gently breathe in through your nose, then let go of the mask. iIf it has a good seal, it will stick to your face for several seconds.
  • Make sure to repeat this test with a snorkel and regulator in your mouth to make sure the seal holds when your mouth is distorted by a mouthpiece.
How do I choose between a single or double lens scuba mask?

There are many factors to consider when it comes to choosing between a single or double lens scuba mask. However, most often it comes down to personal preference. Here are a few differences between the two styles:

  • Corrective vision: You may want to choose a double lens mask if you are thinking about swapping to corrective lenses. For double lens masks that are compatible with corrective lenses, divers can easily swap out the regular lenses for corrective lenses. However, single lens masks are not typically compatible to swap with corrective lenses.
  • Mask fit: When choosing a mask, it all comes down to fit. Double lens masks may work better on a narrower face. Other considerations are the size and shape of your brow. Double lens masks typically offer a larger nose pocket, whereas a single lens mask typically reduces pressure from a mask frame on a larger brow.  corrective lenses. However, single-lens masks are typically not compatible to swap with corrective lenses.

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