visible variant ME00008-NF visible variant ME00008-NF visible variant ME00008-NF Person wearing the V4 Mask in 100% Cotton Flannel; background is a brick wall. Person wearing the V4 Mask in Black 100% Cotton Flannel while wearing glasses. Person adjusting the adjustable ear loops/lanyard of the V4 Mask. Person holding the V4 Mask by the ear loops.
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V4 Reusable Mask

$16.00

A two-layer OKEO-TEX 100% Cotton Flannel non-medical reusable face mask. Adjustable ear loops, lanyard, and customizable conforming nose bridge.

Navy Small/Medium
Black Medium/Large

Description

The non-medical V4 Mask is a two-layer mask similar to our V3 Mask (3 layers) in that it's a good option for people who want to sing, talk, open their mouths wide to laugh or who have facial hair or beards. Most (but not all) people will find they can open their mouths really wide without this mask slipping off the nose or above the chin. It features soft & comfortable adjustable ear loops and a lanyard for convenient wear.

The new nose bridge in the Flannel V4 Mask design is seamless and sits at a slight recess behind the rest of the mask; this design may work better for folks who’ve found it difficult to find a cloth mask that prevents their glasses from fogging.

The Flannel V4 Mask is made with two layers of 100% Cotton Flannel that’s OEKO-TEX Certified. If you’re wondering why we’ve chosen flannel (no, it’s not because we’re based in Seattle!) here’s the scoop:

We were honored to play a very small role in a recently published research study: Filtration Efficiencies of Nanoscale Aerosol by Cloth Mask Materials Used to Slow the Spread of SARS-CoV-2 published in ACS Nano. As you can read in the acknowledgements of the study, our small role was to send fabric samples to the researchers for testing.

As mask designers, we continually look forward to further research investigating potential mask materials. There’s always more we can learn; scientists and researchers are working overtime on behalf of their communities, countries, and the world on various projects related to COVID-19 and our collective human response to this pandemic.

We've worked with a fabric mill on a 100% Cotton Flannel fabric for our V4 Reusable Cloth Face Masks; the design of this fabric is intended to have a chaotic web of fibers, which could create more surfaces with which aerosolized particles could interact, as indicated as a possibility in the study. Our 100% Cotton Flannel is produced in an OEKO-TEX Certified fabric mill. Please note that this is not a medical grade fabric. Click here for the exact specifications of our 100% Cotton Flannel Fabric.

Like our bags, our masks are satisfaction guaranteed; we welcome you to emailus@tombihn.com whether you love your mask and want to recognize our talented sewing crew or there's something not working for you.

Our innovative ear loop and neck lanyard material is comfortable, conforming, and stretchy — but it’s not the scratchy elastic that’s typically found on masks. Even when worn around the ears, we (and others) find our material to be quite comfortable for longterm wear. As we mentioned, the ear loops and neck lanyard are both adjustable; you can shorten or lengthen them. We find the neck lanyard to be a convenient feature when we go out for walks. If no other people are around, we can let the mask hang around our neck and against the sternum; if we see another person coming our way, it's easy to very quickly grasp the ear loops (without touching the fabric of the mask) and put the mask on.

Your mask will arrive with a metal nose piece inserted into the slot that can be bent to conform your mask over your nose. By leaving the nose bridge slot open on both ends, we’re giving you the option of customizing the nose bridge to work best for you — you can replace the included metal piece with a different nose bridge material if you’d like a softer or firmer fit.

To wash your mask, see the CDC: How To Wash Cloth Face Coverings guidelines. We also recommend washing your face masks in a reusable mesh laundry bag; this will prevent the ear loops from getting caught on other stuff in the washer and dryer and will help protect your mask. If you’re looking to avoid wrinkles, machine wash your masks, shape the mask, and line dry per CDC Guidelines. Removing the twist-tie piece (use a pair of tweezers to pull or push it out) will help the nose piece last longer. Please download and review this PDF for our full warnings & instructions for use.

INSTRUCTIONS FOR USE, SIZING, SHIPPING OPTIONS & MORE
Choosing the right size of mask
Returns & Guarantee
Made in U.S.A. (and what that means)
100% Cotton Flannel Fabric Specifications
Warnings and Instructions For Use


CHOOSING THE RIGHT SIZE OF MASK
 

To determine which size you need, take a flat ruler and place it next to your nose. Measure from the bridge of your nose to the point of your chin.

Choose Small/Medium if you measure LESS than 4.5” / 115mm

Choose Medium/Large if you measure MORE than 4.5” / 115mm

And if you measure exactly 4.5" or have facial hair, we recommend choosing the Medium/Large size. The ability to adjust the fit of the mask also means that some folks may be able to make a larger size than normal work for them. For example, the best size mask for for a person whose face measures 4.25” is the Small/Medium, but they can likely wear a Medium/Large with a good secure fit by tightening her ear loops.

RETURNS & GUARANTEE
Our masks are satisfaction guaranteed. Please emailus@tombihn.com if you're happy with your mask *or* there's something that doesn't work for you. We want to hear from you!

For the health and safety of our crew, we can’t accept physical returns, repairs or exchanges for/of these masks. Any issue with materials or workmanship on these masks will be evident immediately; beyond your immediate inspection of the mask upon its arrival, the mask is not covered under our Lifetime Guarantee.

MADE IN U.S.A. (AND WHAT THAT MEANS)
Some of you will ask why our masks (or our bags, for that matter!) are more expensive. Our business model is unusual: we are designer, manufacturer, and direct retailer and our entire company shares the same 16,000 square feet in Seattle, the city with the highest minimum wage in the United States. We're also a Certified B Corporation. The contract manufacturers we work with are also in Seattle. In short, our labor and overhead costs are likely significantly higher than that of a business who manufactures their products overseas.

100% COTTON FLANNEL FABRIC SPECIFICATIONS
 

Yarn size in cotton count:

Warp: 20/1 (20 singles)

Weft: 46 doubles (92 individual threads)

Weight:

In raw/loom state : 6.2oz per square yd

In finished state : 5.6oz per square yd

Brushing:

Face side : 10 passes

Back side : 5 passes

Dyestuff:

Reactive

Dye method:

Continuous

Residual Shrinkage:

Max. 5% under Gentle Cycle and Tumble dry low

WARNINGS AND INSTRUCTIONS FOR USE
We recommend that you read our Warnings & Instructions For Use. If you need more copies of the Warnings and Instructions For Use to distribute with masks that you are providing to others, please download this PDF and print additional copies on your home printer.

These guidelines are based on this FDA document; the guidelines may be subject to change. Please refer to the FDA website for the most up-to-date information.

Enclosed Face Masks are NOT Intended to Provide Liquid Barrier Protection.

This mask is not a surgical device or a respirator and should not be used as a substitute for either of these devices.

Not for use in any surgical setting or where significant exposure to liquid, bodily or other hazardous fluids, may be expected.

Not for use in a clinical setting where the infection risk level through inhalation exposure is high.

Not for use in the presence of high intensity heat source or flammable gas.

100% Cotton Flannel. Note: These masks are not made of medical grade material.

For adult use only. Wash these masks according to CDC washing guidelines prior to first wear. Wash routinely depending on the frequency of use. Do not microwave. Do not put in the oven.

Use of this mask is intended to be an addition to and not in substitution of all other measures recommended for the prevention of communicable diseases.

If irritation occurs, discontinue use.

If unsure, consult your personal physician before wearing.

When washed and dried, secure the clean mask to your face to cover both your nose and mouth.

WARNING: Gaps between the mask and your face, or a loose fitting mask, will reduce the effectiveness of the mask. Once secured, refrain from touching the mask and your face in order to adjust its fit. Any hand contact with your face, or the mask itself once donned, can increase your risk of contracting or communicating an infectious disease.

Lifetime guarantee image

Sewn in Seattle

Our bags are designed and sewn right here in Seattle, Washington, U.S.A.

That allows us to be control freaks in the best way possible; we have direct control and oversight of the quality of our materials, our products, and the jobs and working environment that we help create. It also offers us a unique spontaneity: when we have an idea for a new product or accessory, we can design it, figure out how to build it, add it to our website and be ready to ship it out our front door all within just a few weeks. How cool is that?

Intrigued? You can find out more about the unusual way we do business on our Company Philosophy page.

THE BIHN Guarantee

Everything you buy from us here at TOM BIHN is satisfaction guaranteed. We’ve been in business since 1972 and we stand behind what we make.

If something goes wrong and it's our fault, we'll fix it for free. Repairs due to normal wear and tear or due to other things that are not our fault will be performed, when possible, at a reasonable charge right here in our Seattle factory where your bag was made. Defects in materials or workmanship are uncommon and almost always evident while the product is still new. Keep in mind that bags and packs are often subject to extreme wear in everyday use: do not expect them to last forever. Only true love lasts forever! You can expect a TOM BIHN product to give years and years of hard service.

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4.6
Rated 4.6 stars
Based on 352 reviews
90%would recommend this product
352 reviews
  • Lisa
    1 year ago
    Rated 5 stars
    The Best So Far - with some help

    I have the V2, V3 and now the V4. I love the lanyard and material on all 3 - very well done. The ear loops are also interesting although I do get some ear pain behind my left ear on all 3 models. (I am going to try ear savers to see if they help.) I have many masks and my issue is always with fogged glasses. I love the interior space on the V3 (even though the stitching makes me look as if I have a snout) but I cannot fit my glasses comfortably to avoid fogging. I just bought Mask Tape and am going to see if I can get a tighter seal to prevent fogging. The V2 also fogs but a bit less. Will also try the Mask Tape there.

    Wore the V4 today for the first time. The flannel material is very nice although I do see some lint. I used the Mask Tape and was able to avoid fogged glasses. (Prior to applying the Mask Tape, I had fogging. ) Of the V2, V3 and V4, I think that I like the construction of the V4 the best. There is enough room so that I am not eating the mask. I will try it again tomorrow with the Ear Savers and the Mask Tape to get the best fit. Assuming that I do not have any fogging, I will be thrilled and order more.

    I ordered the Large in all models because my measurement is right at the borderline.

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  • Dave W.
    1 year ago
    Rated 5 stars
    it works with my beard

    Followed the instructions and washed it with temperature at hot, dried it on high heat and wondered how a mask with cotton would take that handling. Came out fine. I got the v4. it has a metal insert that allows it to conform to my nose. It is fuller than my previous mask so it covers under my chin when it is covering my nose. So it is working well with my beard. It tightens ie, tension is adjustable. Like the neck strap that lets you take off the mast but have it ready to put on without wondering where it got to. It passes the candle test. After using a number of less expensive masks that didn't last long, this finally feels like the right mask for me.

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  • Jim
    1 year ago
    Rated 5 stars
    Best Bihn mask yet!

    First, we have Bihn masks. Lots of Bihn masks. V1 V2 and V3 and now the V4. We've bought dozens for family & extended family and significant others. Back in the spring a Bihn V1 was our choice because I knew Tom was going to make a quality mask that I didn't need to worry about weird chemical treatments, possibly toxic dyes or tiny ear loops. And he donated one for every one I bought. Four adult kids and they all agreed the Bihn masks were the best. I bought some for them but they bought some more themselves.

    Then came V2 and V3 with the neck loop that also adjusts the ear loops and an extra layer of material for cooler weather or extra filtering. We bought those and they became our new favorite.

    The V4 came and upped the ante again - a little but better fit for the nose bridge (we all wear glasses, this is important and why standard run of the mill masks don't work) and the most comfy fabric yet. Soft and breathable. Great mask! The nose shape and chin pocket make them fit better than any other mask.

    You can't go wrong with any of TB's masks but get a few so you can cycle them through the wash so you're not stuck looking for a clean one. We keep them in all the cars so there's always one available and we never forget.

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  • Mike
    1 year ago
    Rated 5 stars
    Finally! A mask that I don't have to think about!

    This little slice of genius is just what the Dr. ordered. Ear straps that don't hurt or distract, adjustable with a tiny tug, but firm enough not to slip. A nose piece than molds down nicely over my nose and stays where I put it. A mask design that lets me open my mouth without my mask slipping down. I'd rather not have to wear a mask at all, but if I do, I'd rather not be distracted by it. This comfy mask is the closest I can get to put it on and forget about it.

    It's really refreshing that someone else has put this much thought into a mask. So I don't have to.

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  • Mitchell G.
    1 year ago
    Rated 5 stars
    Fantastic Mask!

    I really appreciate the thoughtful design of this mask. It's roomy, so I can talk without it sliding down my nose. It's soft and comfortable. It's easy to adjust the earpieces. The neck loop keeps it handy if I--briefly--need to take it off, but it stays on almost all the time I'm out of the house. And best of all, the nose piece eliminates gaps, so it feels as well sealed as an N95, and it's likely as efficient as one, too. The nose piece works even for my wife, with her beak of a nose, for whom every other mask we've tried has been lacking. Thanks!

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