B2 Fabric Overlay

$12.99

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The B2 Fabric Overlay is highly breathable and keeps the B2 Mask secure on your face with an ear-friendly strap design. It is machine-washable. See Use & Care for more.  

The B2 Fabric Overlay is currently only available in black performance mesh. Additional colorways and styles will be announced soon! Sign up to our newsletter at the bottom of this page to get notified. 

The rest of the B2 Mask is sold separately.

Thanksgiving Holidays: Orders placed after noon CST on Wed Nov 25 will be fulfilled on Mon Nov 30.

Color: Black

  • Black
Out of stock

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 Experience the B2 difference.

Explore our unique, patent-pending features below.

ergonomic facepiece

Ergonomic Facepiece

The B2's ergonomic facepiece is made of soft, FDA-compliant materials that conform to your face shape for a protective, anti-fog seal. The patent-pending design folds in half for easy storage, can be washed by hand or dishwasher.

B2 Filters and caps

B2 Filters + Caps

Our high-efficiency changeable filters protect you from 99.6%-98.3% of airborne contaminants down to 0.1µm under normal everyday breathing conditions. For more information check out our Filter Technology Review.

Every B2 Mask Kit comes with 5 sets of original B2 Filters and 2 filter caps

B2 Fabric overlay

B2 Overlay

An interchangeable, adjustable, and breathable textile component which secures the facepiece to the wearer. The strap design eliminates ear rashes caused by standard masks. Machine-washable. 


Check out the B2 Mask Product Tutorial video for tips on how to get started.

 

What was the B2 Mask designed for?

The B2 Mask is the result of 4+ years of human-centered product development, originally geared towards protection from air pollution, smog and wildfires. The B2 design was adapted during the Covid-19 pandemic, with the removal of the exhalation valve to cater for the growing respiratory protection needs of global citizens.

Who designed the B2 Mask?

Behind the B2 Mask, there is a team of designers, engineers and medical-device specialists with the goal to create a low-waste, durable alternative to N95 and other disposable masks. The result is N95-level protection in a sustainable, lightweight design that is ideal for extended lifestyle use. Read more about our team's values here. 

Is the B2 Mask sustainable?

The B2 Mask is made from durable materials that can be washed and reused hundreds of times. Using B2 Filters is more affordable over time than disposable masks, and reduces waste by up to 80%.

Where is the B2 Mask produced?

The B2 Mask is designed and produced in the USA. We work with ISO-certified manufacturers and suppliers based in the Midwest to ensure the quality of all of our products.

Find your fit.

Use the following sizing guide to ensure the B2 Mask is right for you.

B2 measurement nose to chin
B2 sizing table

Measure nose to chin

Use a piece of string or a ruler to measure the distance between the tip of your nose and the point of your chin. Make sure not to measure under the chin as the B2 Mask is not designed to wrap below the chin.

Verify Fit

Ensure that your nose to chin measurement is within the range shown on the table above. If you are outside the range, we encourage you to sign up to be notified when new sizes are available.

 
 If you are outside of the range, we encourage you to sign up here to be the first to know when they are released.
 

Face Shape & Fit

Mask seal position on face
Seal Location

Compact Fit

B2 Mask has a flexible facepiece that conforms to your face to form a seal. It is normal to take a few days of use for the facepiece to break in and achieve the best position for sealing.

Adjustment and Seal

The B2 Mask is designed to sit low on the bridge of your nose. If you have a prominent or low nose bridge, you can flip the inner seal up achieve a tighter fit.

 
 
Due to sanitary reasons this item is not returnable or refundable. All sales are final.
 

Always taking care.

Stay safe and stress free with easy filter changes and cleaning.

 

Filter Changes

When to change your filter depends on what you are wearing your B2 Mask for, and which filters you are using. Refer to the following table for guidelines about when to change your filters:

Filter change frequency table

*A B2 Filter Lite set lasts for up to 24 hours of wear time, up to 1 month after opening. An original B2 Filter set lasts for unlimited wear time up to 1 month after opening

You should also change your filters if they get wet or if you think they have been contaminated. The mask cannot eliminate the breathing in of all particles and cannot eliminate the possibility of getting sick. The filters must be changed at regular intervals to ensure the highest level of protection.

Cleaning 

The facepiece, filter caps, and fabric overlay may be washed by hand using a mild soap or detergent. Alternatively, you can place them all in a laundry delicates bag and machine-wash them on the delicates cycle in cold water. 

Storage

When not in use, the B2 Mask can be folded in half with the overlay straps used to secure it closed. Alternatively, the mask can be left on a clean surface or hung somewhere that is out of the way. Do not store in a sealed container because this prevents moisture evaporation.   

We've got your covered.

Quality protection designed, manufactured, and shipped out of Minneapolis.

Orders typically take 1-2 days to prepare, and 1-4 days to ship within the continental USA. Shipping is calculated at checkout based on the items in your cart. We do not offer expedited shipping at this time.

International Orders

We currently offer shipping to US addresses and to Canada and the UK, using DHL Express Worldwide. If you would like to request that we ship to your country, let us know here!

Please note that you are responsible for the customs fees and taxes associated with international orders, which vary by country.

How will I know my order has shipped?

When you order is shipped you will receive an email with tracking information. Be sure to check spam in case our note falls into the wrong inbox. We are not responsible for stolen packages that have been delivered to the address you provide. 

Final Sale Policy

Please make sure you have read our sizing guidelines before making your purchase! Due to sanitary reasons and the unique nature of the Covid-19 pandemic, our products are not returnable, exchangeable, or refundable. All sales are final. Thank you for understanding!

Order Support

If there is a problem with your order, please email us at support@breathe99.com and we’ll help you out!

Frequently Asked Questions

Answers to some common questions about B2 Mask.

Does the B2 mask fog my glasses? 

B2 Mask is designed with a flexible seal that eliminates or significantly reduces fogged glasses. If you are experiencing any fogging, you can try flipping the nose seal portion to achieve a tighter seal on the nose. 

 

Does the B2 mask come in multiple sizes?

No, currently we have one adult size. If you need a different size mask, please click here to tell us!

 

What does the B2 Mask filter?

B2 Filters remove 99.6 - 98.3% of airborne particles down to .1 micron at normal breathing rates. This includes common contaminants such as dust, biological aerosols, and smoke. Download our B2 Filter Technology Review to learn more about B2 Filter performance and third-party testing at the University of Minnesota.   

 

How often do I need to change my B2 filters?

Please see the Use & Care tab for when to change your filters, based on what you use them for.   

 

Is the B2 Mask FDA or NIOSH-certified?

B2 Mask is designed to comply with NIOSH N95 standards per 42 CFR Part 84, but it is not yet NIOSH or FDA-approved. 

 

What materials is the B2 Mask made of?

Facepiece

FDA-compliant TPU and Polypropylene

Overlay

Body: 84% Nylon 16% Spandex, Binding:  92% Nylon 8% Spandex, Stabilizer and Strap: UBL 89% Nylon, 11% Spandex

Filters

Meltblown and Electrostatically-charged polypropylene 

 

Does the B2 mask come in any other colors or designs?

B2 Mask is currently only available in charcoal grey with a black overlay. Sign up for our newsletter at the bottom of the page to find out when additional colorways get released.

 

How breathable is the B2 Mask?

B2 Mask is very breathable for a respirator or face mask. However, it will not be as comfortable as wearing no mask at all. B2 Mask exceeds the recommended breathing resistance required by NIOSH for Filtering Facepiece Respirators. Light breathing (walking, desk work, driving) through B2 Mask will feel easier than heavy breathing (long flights of stairs, hard labor). If breathability is your top priority, consider purchasing B2 Filter Lite.

 

Will B2 Mask work with my beard?

B2 Mask relies on a tight seal between the mask and the user's face, and a beard or other facial hair may interfere with this seal. Still, whether you have a beard or not, wearing a mask is better than no mask at all.

 

Do you offer Corporate Pricing?  

Yes, if you are a corporation looking to outfit your company with our product, please contact us at hello@breathe99.com.

 

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B2 Fabric Overlay

$12.99