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Choosing a Dive Mask: Fit, Design & Cleaning

Eric Larson·December 5, 2022· 4 min read

There are many styles of masks with a range of benefits. As a charter boat captain, I have seen masks ruin more dives than any other failure. Take your time when you select a mask, ask lots of questions, and try them all on.

Frame vs. frameless

On a frameless mask, the lens is molded directly into the skirt. On a framed mask, a metal or plastic frame holds the lens and the skirt is molded into the frame.

Skirt

The part that seals to your face — this is why you want to try on lots of masks. Each fits differently.

The fit test

Don't use the strap. Place the mask on your face and gently inhale through your nose. The skirt should seal and create enough suction to hold the mask on. On the dive, the strap should just barely hold the mask in place — too tight makes for an uncomfortable dive.

Lens

Single-lens and two-lens designs are the most popular, and some have side windows. Most important: the lens must be tempered glass!

Nose pocket & purge valve

Make sure the nose pocket doesn't press on the top or bottom of your nose. Some masks have a purge valve that lets you clear with a gentle exhale through your nose — but it also adds a failure point.

Cleaning a new mask

Use plain white toothpaste (not gel). Put a pea-size dab on each side of the lens, gently wipe up and down and side to side, rinse, and repeat a couple of times. Then use your favorite defog.

Your mask can make or break your dive. Improper fit and fogging are problems we've all dealt with — ask lots of questions and get the right one.