Washable Filtering Sports Mask (Short-length)


(1 customer review)
Approved by Allergy UK. Learn more here

• Developed for all-weather usage

• 99% UV protection

• Ear loops to prevent the mask from falling off

• MICRONET™ filter fabric blocks 99% of ultrafine dust particles and pollen starting at 1.7 microns (40 times smaller than a human hair)

• After 100 washes, the mask continues to block 99% of dust particles, allowing it to be reused repeatedly without damaging its filtering capabilities

•  Tested and approved by accredited institutions in Japan

  • Sizes: Universal
  • Dimensions: 20cm x 12.5cm (W x L)
  • Color(s): Black, Black blue, Black gray, White
  • Materials: NYLON 42%, POLYURETHANE 12%, POLYESTER 46%

Black, Black blue, Black gray, Sky beige, White

  1. Mary

    nice mask, and the ear loops don’t hurt

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  • Some instructions may advise a gentle warm machine wash, however, the best way to wash our masks is by hand, with a mild detergent.


  • Line-dried in the shade in a well-ventilated area.


  • Be sure to store in a location where there aren’t any heat sources that could cause the fibers to be damaged.

Please note: Due to COVID-19, shipping regulations are constantly changing and have been causing delays.

  • We are unable to ship to P.O. Boxes, APO, FPO, DPO. Please use a street address in your order.
  • Once your order has been shipped, we are unable to change the delivery destination.
  • Once packages are shipped, they are in the hands of the shipping company, not NAROO.
  • If you have questions on the status of your package, please check naroomask.com/track using your tracking number and/or reach out to the shipper’s customer service. Please note that the tracking may not show up until it arrives in the destination country.
  • Orders from North America are shipped from the U.S. with following terms:
    • Fulfyld Standard: 2-6 days
    • Canada Standard: 2-6 days
    • Fulflyd Express: 2-3 days guaranteed
    • Canada Express: 2-3 days guaranteed
  • Orders from other countries are processed within 1-2 business days and shipped from South Korea
    • EMS, UPS, DHL worldwide shipping methods are available.
    • EMS delivery takes 7-15 business days depending on the customer country’s postal conditions.
    • DHL, UPS delivery period varies by regions.
      • Asia Pacific: 2-5 days
      • South East Asia: 3-5 days
      • Oceania: 3-6 days
      • North America: 3-7 days
      • Europe: 3-7 days
      • Middle East & South Asia: 4-10 days
    • We are offering Free EMS shipping on orders over $70 USD and Free UPS(EMS) shipping for orders over $150 USD.
    • There is a DHL shipping option also available to some countries, but please note that DHL is not discounted

List of available items to ship from the US

  1. Global Credit/debit card payment
    • Provided by Paymentwall / Brick and is billed via paymentwall.com
    • If you do not receive an order confirmation, please check your Junk or Spam boxes. If you still cannot find it, please reach us via contact form.
  2. Returns
    • If you wish you return (an) item(s), please contact us via our website within 7 days of receiving your order.
  3. Returns due to defective items or wrong delivery
    • If you have received a defective item or your package was incorrectly delivered, please contact us via our website. In most cases, we can’t bear the international shipping costs for the return and/or replacement.
  4. Return due to personal reasons
    • If you don’t like the items for personal reasons, including size and color, you may return the items. Please contact us via our website within 7 days of receiving the items. You must return your shipment within 3 days after return request or we are unable to process the return
    • Please note that you are responsible for the cost of return shipping (including international).
  5. Refund period
    • Please allow us 7 – 14 business days for PayPal & Credit Card refunds. The amount of time for the processing of returns depends on your financial institution.
    • If it takes more than 7 – 14 business days to process your refund, please contact your financial institution.
  6. Customs and tax
    • Every country has different customs and tax policies. Please check your countries policy before you purchase. We are not responsible for any additional customs, tax, or other country-levied fees. If you wish to return your package and receive a refund, the shipping funds will be deducted from the refund.




To get the most functionality out of your NAROO mask, please check out our “How-to-wear” Videos.

F.U+ and F.U+ Copper



Soak your mask.

Put a neutral detergent in lukewarm water. Spread out the mask in the water and wait for 5 minutes

Note: No hot water!Note: Outdoor detergents, shampoos, and wool shampoos are all neutral detergents.

Gently wash

Wash your mask gently without harshly rubbing or twisting the fabric. Then rinse gently.

Note: If you wash harshly, the nose clip may deform.


Rinse the mask several times in clean water. Clean the inside of the mask under running water.

Note: Again, avoid harsh scrubbing and wash gently.

Squeeze out the water

When removing the water, do not twist the fabric! Squeeze the mask between your hands.

Note: Care should be taken during the drying process to minimize stretching.

Air dry

After gently squeezing out the water, let your mask air dry in a shady, well-ventilated area.

If you follow these 5 steps, you can use your NAROO mask for a long, long time.


Original, Washable, Filtering Mask (Short, slim-fit model)


UC protection

Exclusive MICRONET™
Filtering Fabric Technology

MICRONET™ filter fabric blocks 99% of ultrafine dust particles and pollen with sizes starting from 1.7μm (40x smaller than a human hair), including fine pollution particles that average 2.5μm in size

Protects Against


20 – 30μm – Those affected by seasonal hay fever or pollen allergies have shown drastic improvements when wearing MICRONET™ masks

Pollution & Dust

2.5 – 10μm – In city smog and pollution, MICRONET™ fabric is able to filter out harmful particles such as microplastics, fumes, and toxic waste particles

Microbes & Droplets

0.5 – 5μm – Where population density is high, such as city or communal environments, caution is needed to prevent the spread of sickness. MICRONET™ provides a barrier against infectious droplets and germs

Short & Slim-Fit
Version of F5

The sister mask to the F5, the F5S is tailored to fit snugly and feel soft against the skin. With an array of colors to choose from, this mask’s short and slim-fit protects your airways while allowing you to keep your neck uncovered


All Weather

Suitable for sporting activities during any season, in any temperature, or in any condition

MICRONET™ Filtering

MICRONET™ filter fabric blocks 99% of ultrafine dust particles and pollen with sizes starting up to 1.7μm

99% UV Protection

Protects skin from harsh UV rays and sun damage in any weather


Strong and sustained antimicrobial performance through repeated washes

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