Momcozy Air 1 rose gold breast pumps with charging case and app control on smartphone, product showcase.
Momcozy Air 1 breast pump 2.4in vs Mobile Flow 3.07in, showcasing 20% slimmer profile for product size comparison.
Momcozy Air 1 soft pink breast pump top-view design for easy alignment, measurement markings on clear lid.
Wireless charging case with a hand placing a pink breast pump inside, on a white background.
Momcozy Air 1 ultra-slim pink breast pump with smartphone app displaying smart notifications & real-time tracking.
Momcozy Air 1 pink breast pump & soft silicone flange. Gentle fit for all breast shapes for efficient pumping.
Momcozy Air 1 breast pump parts, including pink collector with measurements and flange, submerged in water for easy cleaning.
Momcozy Air 1 ultra-slim breast pump in lifestyle collage: flying, working, with baby, golfing. Slim. Smart. In Control.
Momcozy Air 1 ultra-slim breast pump in pink with measurement markings and 'momcozy' logo, product display.
Momcozy Air 1 soft pink breast pump with top-view funnel for easy alignment and efficient pumping, product appearance.
Momcozy Air 1 breast pump kit: rose gold pumps, case, flanges, cables, guides, and manual.
Work essentials! I must say by far I’m in love with the portability of my Air 1’s … I pump about 4 times a day and by far the easiest pump to carry at work 😍😍😍
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Momcozy Air 1 Ultra-slim Breast Pump

4.8
Rated 4.8 out of 5 stars
103
£369.99 GBP
Interest-free payment with or Learn more
Ultra-slim
Effortless Alignment
Wireless Charging
Smart App Control
STYLE: Double
Double
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Description

Sleek and Low Profile
With an ultra-slim 61mm/2.4" body, Air 1 sits naturally under clothing for a polished, less bulky look. It’s designed for mums who want pumping to feel more discreet during workdays, commuting, travel, and social outings.

Includes Wireless Charging
The wireless charging case supports up to 15 pumping sessions, about 30 minutes each, making Air 1 ready to go on busy days. Spend less time stopping to recharge and more time doing the things that matter.

Transparent Design for Alignment
The transparent 'top-view' design helps you align faster, while clear markings let you see milk output at a glance. When you’re pumping away from home or in the middle of a busy day, that extra visibility brings more confidence and fewer repeated adjustments.

Smart Pumping. More Control.
Air 1 goes beyond basic app control with sensor-enabled features like Auto Mode Switching, Milk Tracking, and Full Collector Alerts. You stay more informed throughout each session – without constantly checking, guessing, or interrupting your flow.

Generous 6oz Capacity. Slim Profile.
The 6oz collector gives you more space for milk without adding bulk. Air 1 is built to balance low-profile wear with real-life pumping needs, making it a strong fit for daily use, longer outings, and other outside home sessions.


Important Notes

Pour After Removing the Pump Motor
After pumping, detach the motor from the milk collector before pouring out milk.

Full-Collector Auto Stop Is Enabled by Default
Air 1 automatically stops pumping when the milk collector is full. If your pump stops unexpectedly, please check the full-collector setting in the Momcozy App.

Safety Warning

Do NOT use this device if you have a cardiac pacemaker, implanted defibrillator, or any other metallic or electronic implant, as it may cause electromagnetic interference or serious injury.

Key Features & Benefits

· Ultra-Slim & Discreet – Just 2.4 inches thin, 20% slimmer than other conventional pumps for ultimate privacy.

· Transparent Top for Quick Alignment – The industry-first design enables easy nipple alignment and instant milk checks.

· Wireless Charging Convenience – Delivers up to 5 days of use or 15 pumping sessions.

· Smart App Control & Auto Tracking – Connects to the Momcozy app for automatic mode switching, real-time milk tracking, and full collector alerts.

· Soft, Comfortable Fit – 50A silicone flanges provide gentle, secure comfort for all breast shapes.

· Easy to Clean – Only 5 parts to wash, with a durable PPSU collector for simple, hygienic care.

Need Replacement Parts?

Replacement parts for the Air 1 Ultra-Slim Pump are now available for purchase through the Momcozy App. Please check the App for details and purchase links.

Work essentials! I must say by far I’m in love with the portability of my Air 1’s … I pump about 4 times a day and by far the easiest pump to carry at work 😍😍😍
Sharr Sharr image
Verified Buyer
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The accessories for this product:

The accessories for this product

Momcozy Air 1 Ultra-slim Breast Pump
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Momcozy Air 1 Ultra-slim Breast Pump
Momcozy Air 1 Ultra-slim Breast Pump
$369.99 - $
Momcozy Air 1 Ultra-slim Breast Pump
Share
Momcozy Air 1 Ultra-slim Breast Pump
Momcozy Air 1 Ultra-slim Breast Pump
$369.99 - $
Momcozy Air 1 Ultra-slim Breast Pump
Share
Momcozy Air 1 Ultra-slim Breast Pump
Momcozy Air 1 Ultra-slim Breast Pump
$369.99 - $
Momcozy Air 1 Ultra-slim Breast Pump
Share
Momcozy Air 1 Ultra-slim Breast Pump
Momcozy Air 1 Ultra-slim Breast Pump
$369.99 - $
Momcozy Air 1 Ultra-slim Breast Pump
Share
Momcozy Air 1 Ultra-slim Breast Pump
Momcozy Air 1 Ultra-slim Breast Pump
$369.99 - $
Momcozy Air 1 Ultra-slim Breast Pump
Share
Momcozy Air 1 Ultra-slim Breast Pump
Momcozy Air 1 Ultra-slim Breast Pump
$369.99 - $
Momcozy Air 1 Ultra-slim Breast Pump
Share
Momcozy Air 1 Ultra-slim Breast Pump
Momcozy Air 1 Ultra-slim Breast Pump
$369.99 - $
Momcozy Air 1 Ultra-slim Breast Pump
Share
Momcozy Air 1 Ultra-slim Breast Pump
Momcozy Air 1 Ultra-slim Breast Pump
$369.99 - $
Momcozy Air 1 Ultra-slim Breast Pump
Share
Momcozy Air 1 Ultra-slim Breast Pump
Momcozy Air 1 Ultra-slim Breast Pump
$369.99 - $
Momcozy Air 1 Ultra-slim Breast Pump
Share
Momcozy Air 1 Ultra-slim Breast Pump
Momcozy Air 1 Ultra-slim Breast Pump
$369.99 - $
Momcozy Air 1 Ultra-slim Breast Pump
Share
Momcozy Air 1 Ultra-slim Breast Pump
Momcozy Air 1 Ultra-slim Breast Pump
$369.99 - $
Momcozy Air 1 Ultra-slim Breast Pump
Share
Momcozy Air 1 Ultra-slim Breast Pump
Momcozy Air 1 Ultra-slim Breast Pump
$369.99 - $
Momcozy Air 1 Ultra-slim Breast Pump
Share
Momcozy Air 1 Ultra-slim Breast Pump
Momcozy Air 1 Ultra-slim Breast Pump
$369.99 - $
Momcozy Air 1 Ultra-slim Breast Pump
Share
Momcozy Air 1 Ultra-slim Breast Pump
Momcozy Air 1 Ultra-slim Breast Pump
$369.99 - $
Closes the player
Meet the Slimmest* Wearable Breast Pump
Bursting at the seams with sleek, smart power.
Discreet Under Any Outfit
Seamlessly blends into your daily life, to be worn beneath your normal wardrobe.

Take a closer look.

Measuring just 2.4 inches, which is over 20% thinner than others.*
3.07in
2.4in
image image
Air 1
Mobile Flow™
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Thickness reduction
21.8%
image image
Air 1
Mobile Flow™
image
image image
Air 1
Mobile Flow™
image
imageimageimage
imageimageimage

See Milk Flow in Real Time

An industry-first, transparent top view for clear, confident pumping and quick alignment.

Powered by 62 Patented Innovations
Leave the hard work up to Air 1. Enjoy a breast pump that redefines feeding.

Power in One Case

Includes a stylish travel case with up to 1800 mAh battery capacity for on-the-go convenience.

Rhythm. Personalised to You.
Easily adjust mode, suction, and speed to match your body’s unique rhythm.
Optimised For Your Life
Optimised For Your Life
Save your favourite patterns and create routines
that work best for your body.
Save your favourite patterns and create routines that work best for your body.
Two Expert Rhythms
Two Expert Rhythms
Expert pre-set pumping rhythms crafted for elevated comfort and efficiency.
Expert pre-set pumping rhythms crafted for elevated comfort and efficiency.
Three Standard Modes
Three Standard Modes
Switch between Stimulation, Expression or Mixed.
Switch between Stimulation, Expression or Mixed.

Smart Pumping. App Control.

Track, control, and pump smarter – from your phone.

Translation missing: en.general.aria.content_image Translation missing: en.general.aria.content_image

Auto Mode Switching


Watch your output in real time with clear, live updates.

Translation missing: en.general.aria.content_image

Real-Time Milk Tracking


Watch your output in real time with clear, live updates.

Translation missing: en.general.aria.content_image

Full Collector Alerts


Get notified when the pump is full, without worrying about leaks.

Translation missing: en.general.aria.content_image

Visualized Lactation Data


Watch your output trends clearly with charts and timelines.

Engineered for Comfort
Soft, flexible flange contours to your unique shape.
Slim. Smart. In Control.
Slip it under any outfit, in harmony with your day.
Everything You Need in One Place
What Others Say

Find Your Perfect Breast Pump

Momcozy Breast Pump Comparison

FAQs

What is an ultra slim breast pump?

An ultra slim breast pump is a wearable, in-bra cup with a thinner profile than a typical all-in-one, so it sits flatter under clothes. Air 1 is 61 mm — built for UK mums who express at work or away from home and do not want a bulky outline. A slim breast pump is about how it sits, not about being the quietest motor.

What makes Air 1 different from other slim wearable breast pumps?

Air 1 is Momcozy’s slimmest all-in-one wearable at 61 mm, about 22% slimmer than M9. You get a transparent top to centre the nipple, a 180 ml collector, and a charging case for up to 15 sessions. Choose it when a lower in-bra profile is the job. If a quieter motor matters more than how slim the cup sits, M9 is the better match.

Is the Air 1 ultra slim breast pump good for pumping at work?

Yes. That is the job it is built for. The 61 mm cup sits in a nursing bra under work clothes, so you can keep pumping at work without a bulky outline. The charging case covers a run of sessions away from a plug. If a shared room means noise matters more than profile, choose M9.

Is the Momcozy Air 1 easy to use for first-time mums?

Yes. The transparent top lets you see the nipple is centred before you start — usually the hardest step on a wearable. There are five parts to wash, buttons on the cup, and the app only if you want it. You can express without opening your phone.

How do I use the Air 1 ultra-slim breast pump?

  1. Wash and assemble the five milk-contact parts. Keep the motor dry.
  2. Place the cup in your bra. Use the transparent top to centre the nipple in the tunnel.
  3. Turn on. Choose Stimulation, Expression or Mixed on the cup or in the app, then pick a suction level that feels comfortable — not the highest.
  4. When the 180 ml collector is full, the app can alert you. Switch off, take the motor off, then pour.

How do I centre the flange on the Air 1?

Look through the transparent top and check the nipple sits in the middle of the tunnel, not pulled to one side. Measure nipple diameter, not bra cup. Air 1 ships with a 24 mm flange and 17/19/21 mm inserts. Pain, a white ring, or too much areola being pulled in means resize before you turn suction up.

Can I track expressing sessions and milk volume?

Yes. The Momcozy app can switch modes, show milk volume as you go, alert you when the collector is full, and keep a session history. The pump still runs from the buttons on the cup if you would rather not use the phone.

How long does the Air 1 charging case last?

The case holds enough power for up to 15 sessions of about 30 minutes. Seat each pump so the contacts line up; the case tops them up and stores them for a work day or a few days out. Charge the case from a plug at home, then take it with you.

How do I clean and sterilise the Air 1 ultra-slim breast pump?

Take the motor off first and wipe it dry only — never soak it. Rinse the five milk-contact parts (collector, back cover, flange, valve, diaphragm) straight after use, wash in warm soapy water, then sterilise with steam or a cold-water method. Air-dry fully before you assemble.

How customers say about

4.8
Rated 4.8 out of 5 stars
Based on 103 reviews
Total 5 star reviews: 85
Total 4 star reviews: 18
Total 3 star reviews: 0
Total 2 star reviews: 0
Total 1 star reviews: 0
100%would recommend this product
Slide 1 selected
103 reviews
  • HH Profile picture for Heather H.
    Heather H.
    Verified Reviewer
    Reviewing
    Momcozy Air 1 Ultra-slim Breast Pump
    I recommend this product
    Bought For Myself
    Rated 5 out of 5 stars
    Yesterday
    It’s absolutely amazing

    I don’t usually give reviews but this is so review worthy I’m a bigger woman over the years I’ve had issues finding pumps that could fully empty me and this pump is the one I’ll be recommending over and over worth the price

  • S
    Suki
    Flag of France
    Verified Buyer
    Reviewing
    Momcozy Air 1 Ultra-slim Breast Pump
    I recommend this product
    Rated 5 out of 5 stars
    2 weeks ago
    Discret et bien pens

    Je m'en sers surtout au bureau ou en dplacement, quand il faut tirer son lait sans s'isoler longtemps ni transporter un appareil encombrant. Le profil ultra-fin se glisse sous un soutien-gorge sans se voir sous les vtements, et l'aspiration reste efficace tout en tant douce, loin de l'image du tire-lait bruyant et agressif. L'application mobile permet d'ajuster les rglages distance et l'alerte de remplissage vite les dbordements, un vrai plus quand on est en runion ou en dplacement.Le collecteur transparent est un dtail qui compte vraiment, car il permet de vrifier le bon positionnement sans tout dmonter. En revanche, l'application peut consommer pas mal de batterie sur le tlphone pendant les sances, et quelques utilisatrices signalent des pannes aprs plusieurs mois d'usage intensif. Pour un usage nomade et discret, cet appareil tient bien ses promesses de confort et de libert de mouvement, avec pour principale limite une fiabilit qui peut varier sur la dure.

  • JF
    Julio F.
    Flag of United States
    Verified Buyer
    Reviewing
    Momcozy Air 1 Ultra-slim Breast Pump
    I recommend this product
    Rated 5 out of 5 stars
    2 weeks ago
    Very good

    Very good

  • E
    Ellia
    Flag of Germany
    Verified Buyer
    Reviewing
    Momcozy Air 1 Ultra-slim Breast Pump
    I recommend this product
    Rated 5 out of 5 stars
    2 weeks ago
    Gut durchdachte Milchpumpe

    Die Momcozy Air 1 berzeugt vor allem durch ihren hohen Alltagskomfort. Sie ist kompakt, angenehm zu tragen und bietet dank des kabellosen Ladeetuis viel Flexibilit?t fr unterwegs. Besonders praktisch finde ich die transparente Oberseite, durch die sich die Position und der Fllstand jederzeit kontrollieren lassen, ohne die Pumpe abzunehmen.Auch die Reinigung ist unkompliziert, da sich die wenigen Einzelteile schnell auseinandernehmen und wieder zusammensetzen lassen. Die App erg?nzt das Ganze sinnvoll mit zus?tzlichen Funktionen, ist fr die Nutzung aber nicht zwingend erforderlich.Der einzige echte Kritikpunkt ist der hohe Preis. Dafr erh?lt man allerdings eine hochwertige, gut durchdachte Milchpumpe, die den Alltag sprbar erleichtert. Wer regelm??ig abpumpt und Wert auf Komfort sowie Mobilit?t legt, bekommt hier ein berzeugendes Gesamtpaket.

  • A
    Andry
    Flag of Spain
    Verified Buyer
    Reviewing
    Momcozy Air 1 Ultra-slim Breast Pump
    I recommend this product
    Rated 5 out of 5 stars
    2 weeks ago
    Cmodo, discreto y muy prctico para el da a da

    He pedido este sacaleches como regalo para una familiar que acaba de ser mam y, despus de utilizarlo durante unas semanas, me ha contado que est muy contenta con l.Lo que ms destaca es lo cmodo que resulta al ser un modelo manos libres. Al ser tan fino y ligero, puede llevarlo bajo la ropa mientras realiza otras tareas en casa, sin sentirse tan limitada como con un sacaleches tradicional.Tambin le ha gustado mucho el estuche de carga, ya que permite recargar el dispositivo varias veces y llevarlo fcilmente cuando sale de casa. Es un detalle muy prctico para quienes pasan tiempo fuera o necesitan extraerse leche en distintos momentos del da.La aplicacin mvil es sencilla de utilizar y facilita controlar los diferentes modos y niveles de extraccin, adaptndolos segn sus necesidades. Adems, comenta que el funcionamiento es bastante silencioso, algo que agradece especialmente cuando el beb est descansando.La capacidad de 180 ml le ha resultado suficiente para el uso habitual y los materiales transmiten una buena sensacin de calidad. La limpieza tampoco le ha parecido complicada, ya que las piezas se desmontan con facilidad.Como peque?o detalle, recomienda dedicar unos minutos a leer las instrucciones y probar los distintos niveles de succin al principio, ya que encontrar la configuracin adecuada hace que la experiencia sea mucho ms cmoda.En conjunto, ha sido un regalo que ha acertado de lleno. La persona que lo est utilizando destaca sobre todo la comodidad, la libertad de…

  • C
    Cliente
    Flag of Spain
    Verified Buyer
    Reviewing
    Momcozy Air 1 Ultra-slim Breast Pump
    I recommend this product
    Rated 5 out of 5 stars
    2 weeks ago
    Comodidad que se nota desde el primer uso

    Se lo regal a mi hermana cuando naci su beb y, sinceramente, no poda haber acertado ms. Cada vez que hablamos me dice que ha sido una autntica pasada y que se ha convertido en uno de los productos que ms utiliza desde que empez la lactancia. Incluso reconoce que no imaginaba que un sacaleches pudiera hacerle el da a da tan cmodo.Lo que ms valora es la libertad que le da al ser manos libres. Puede colocrselo y seguir haciendo otras cosas mientras se realiza la extraccin, algo que agradece muchsimo porque con un recin nacido siempre hay mil tareas pendientes y cualquier minuto cuenta.Tambin est encantada con la potencia de extraccin. Dispone de tres modos y nueve niveles de intensidad, por lo que puede adaptarlo fcilmente segn el momento. Me comenta que la extraccin es muy eficaz y, adems, bastante cmoda gracias a la brida DoubleFit, que se ajusta muy bien sin resultar molesta.Otro detalle que destaca es la pantalla LED con los controles iluminados. Durante las extracciones nocturnas le resulta muy til porque puede manejar todas las funciones sin necesidad de encender la luz y despertar completamente al beb.Adems, los materiales transmiten muy buena calidad y las piezas se desmontan con facilidad para limpiarlas, algo que termina marcando la diferencia cuando se utiliza varias veces al da. El funcionamiento tambin le pareci muy intuitivo desde el primer uso, sin tener que perder tiempo leyendo instrucciones complicadas.Lo mejor es escucharla hablar de l. Siempre comenta que le…