Hollis M-1 Mask | Ideal for Scuba Diving and Snorkeling | Ultra Clear Glass | Comfortable, Frameless Silicon Skirt | Wide Range of Vision | Distortion Free Vision | Fantastic Color Visibility
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This item is eligible for return within 30 days of receipt
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Availability:
Only 4 left in stock, order soon!
Arrives
Sunday, Oct 25
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Color: Black
Features
- Frameless 100% pure silicon skirt
- Saint-Gobain Diamant - Crystal Clear Lens
- Wide vision and low volume
- Completely dry top snorkel prevents water entry when submerged
- Large exhaust and purge valve at bottom for easy water clearing
Description
Visibility is the most important aspect of any dive and the M1 Mask raises the bar for optical quality and distortion-free vision. The lens is ultra-clear glass which is valued for its attractive appearance and optical qualities. The low iron content produces a higher light transmittance and a reduced green tint inherent in other glasses. This makes the lens distortion free and helps improve color and visibility in low light conditions underwater.
Brand Name: Hollis
Sport Type: Snorkeling
Age Range Description: Adult
Unit Count: 1 Count
Manufacturer: Hollis
Number of Packs: 1
UPC: 744288373288 757183560493 757183109531 020545201182 743946586275
Number of Items: 1
Global Trade Identification Number: 00020545201182
Included Components: item
Model Number: 205-4500-07
Manufacturer Part Number: 205-4500-07
Warranty Description: Manufacturer warranty
Best Sellers Rank: #36,984 in Sports & Outdoors (See Top 100 in Sports & Outdoors) #22 in Diving Masks
ASIN: B00361V0RW
Customer Reviews: 4.5 out of 5 stars (831)
Lens Type: Single Lens
Number Of Windows: 1
Strap Type: Adjustable
Closure Type: Buckle
Color: Black
Item Weight: 136 g
Material Type: Silicone
Frame Material Type: Silicone
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Sunday, Oct 25
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Color: Black
This mask comes highly recommended for those with facial hair due to the soft silicone. I can attest it was 100% better than previous masks I have tried, but did still have a minimal leak near my mustache. A small dab of Burts Bees on my mustache kept these bone dry all day. I highly recommend Spit no fog, it kept these crystal clear all day long. There is no frame to press against your forehead or cheeks to cause pain, but they do suction to your face a bit more than other masks. Not a bad thing, but you will have those suction marks after a long dive. This mask completely changed my scalloping trips for the better, without breaking the bank. 5 stars, highly recommended.
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Reviewed in the United States on August 10, 2026 by S. Hochstetler
Color: Black
Great low volume mask. Currently my 'go to' mask for rec diving. Low volume and it almost hits the bridge of my nose. The seal around my face is fine, but since i have a mustache/goatee, I have to shave to get a good seal. Water gets in the nose pocket due to the deep recess in my cheeks/face on the sides of my nose. Silicone seal here doesn't help (much). However, quality and clarity is beautiful and this mask is highly recommended, especially for it's modest price compared to high end masks like Atomic Aquatics.
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Reviewed in the United States on October 1, 2025 by Donald H. Knecht, Jr.
Color: Black
There’s nothing i dislike about this mask.i did have to burn off some silicon on the inside and i used the pepsodent tooth paste trick and scrubbed the inside and outside of the glass 4 times. It doesn’t fog at all now. The mask is very comfortable and doesn’t leave any marks on my face. The glass is very clear , no color distortion at all. I also have an atomic venom and Tusa freedom 100 HD.this mask is every bit as good as them. The water temp this morning was 83.5 so there was no condensation on the inside of the mask. We will see how it does when the water drops into the low 70’s. Also I love the bucke system on this mask, very simple and appears to be very rugged. One other thing the mask has a very nice matte finish. I’m not fond of shiny things. Although i have heard sharks love shiny reflective thing. Reminds them of fish scales. All round its a great mask. Try one on at a dive shop to see if it fits. I have a lean face and it’s a perfect fit.
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Reviewed in the United States on August 10, 2019 by Jobro
Color: Black
This was ordered with a Atomic Venom Frameless, and a much cheaper option, the Cressi Lince - in my search for a better-fitting mask to avoid the dreaded dive-ruining leak-fest. Spoiler alert, I ended up with the Hollis M1, but *really* wanted to keep the Venom [as well/instead of]. LIGHT TRANSMISSION/CLARITY: This one came in a *pretty* close second to the Venom. They both claim to have optically clear, proprietary-whatever, ultra-white glass. In reality, the Venom was jaw-dropping, this one was not. Nothing bad here, and honestly, without the Venom to compare it to, I might have been more impressed. They both trounced the Cressi. VISIBILITY: Again, I'm going to give this one second place to the Venom, but by a much closer margin. The design is such that vertical and lateral visibility is pretty terrific - thanks to the huge sheet of unobstructed glass in front of your face. It's not winning any hydrodynamic awards for streamlining, but at least you see well! The Cressi was garbage here... with serious tunnel-vision. MATERIALS: It's really pretty nice... although I've read the strap design is kind of crap (small teeth that slip?) and may need a backup strap with more aggressive teeth. The Venom was nicer - again, not much surprise, and the Venom is significantly more expensive. COMFORT & FIT: Here's where the M1 pulled ahead for me. The Venom had a nosepiece design with a hard ridge over the bridge, that painfully dug into my nose, just while doing a mask-fitting in my studio. I can't even imagine how uncomfortable that would be under pressure down below. The seal on the M1 really just fit my [weird?] face shape that much better, so it became the only obvious choice to keep... it truly does just boil down to which-mask-won't-leak at the end of the day! I'll try to update this review after a dive trip in a few weeks, once I've tested it in the water! UPDATE (AFTER DIVING): After 4 dives in Cozumel, the review holds firm and I have no regrets with the mask... however, this one caused uncomfortable pressure on the underside of my nose, that was really pretty painful over time. The clarity was top notch, the seal was fantastic (again, even with my scruff), but I had to equalize the pressure much more while descending, and often even with depth changes as little as a few meters during the dive - just to alleviate some of the pressure on the underside of the nose. This is still my new primary dive mask, until I find something with the fit, minus the singular comfort issue. I will add though, I have a pretty large nose, so this might fit others like an absolute champ. Try it and see!
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Reviewed in the United States on June 1, 2021 by Kevin Whitley
Color: Black
I love the mask but the straps slip way too easily; putting the mask on and off - constantly adjusting.
Reviewed in the United States on August 23, 2026 by Randy Davis
Color: Black
Wide field of view, fits my face which is a little narrow. I previously, and for 30 years, dove with the Scuba Pro Frameless mask. The M1 fits better, has a larger nose pocket, so no nose pain for my "roman" nose, wider field of view than the Frameless, light weight, no tunnel vision feeling. So good i bought a second one to have as a spare. The materials, strap, and adjustments are decent, but they seem less capable than the Frameless mask. Could also be a difference in the material - Time will tell. Price is fantastic, the seal works as expected - meaning doing the suction fit test and it stays in place, no leaks under water, the glass is perfectly clear.
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Reviewed in the United States on October 13, 2025 by Brian Godlis
Color: Black
This is a nice mask with a soft silicon skirt and is low volume. I feel pain from many masks right between my eyebrows (glabella), in test fitting this mask doesn't seem to have anything pressing on my face there. I tried the Atomic mask and it was close, but the nosepiece on it caused discomfort. The only issue I'm seeing with this one is that it is very narrow, I have a big head. The skirt is about 1/2" from the outer edge of my eyes, which means this has a little narrower field of view than larger masks. I'm hoping that doesn't cause any issues with leaks, but I'll be diving next week and will report back after a "real world" test.
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Reviewed in the United States on June 10, 2025 by Mike F
Color: Black
Loved this mask. Fits kids and adults. Seems like a quality item.
Reviewed in the United States on August 3, 2026 by alex