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 😍😍😍
Sharr Sharr
Verified Buyer
Air 1

Momcozy Air 1 Ultra-slim Breast Pump

£419.99 GBP
4 Interest-free payments with or with klarna
Ultra-slim
Effortless Alignment
Wireless Charging
Smart App Control
STYLE: Double
Double
4 Interest-free payments with Afterpay or Klarna
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Description

SLEEK, LOW-PROFILE WEAR FOR REAL LIFE
With an ultra-slim 61mm/2.4-inch body, Air 1 sits more naturally under clothing for a polished, less bulky look. It’s designed for moms who want pumping to feel more discreet and more wearable during workdays, commuting, travel, and social outings.

WIRELESS CHARGING CASE, READY TO GO
The wireless charging case supports up to 15 pumping sessions, about 30 minutes each, helping keep Air 1 ready through busy days and everyday routines. Less time stopping to recharge, more continuity for moms who need pumping to fit into life—not interrupt it.

TOP-VIEW VISIBILITY FOR FASTER 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.

SMARTER PUMPING, STRONGER 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 IN A SLIM PROFILE
The 6oz collector gives you more room 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
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
$419.99 - $
Momcozy Air 1 Ultra-slim Breast Pump
Share
Momcozy Air 1 Ultra-slim Breast Pump
Momcozy Air 1 Ultra-slim Breast Pump
$419.99 - $
Momcozy Air 1 Ultra-slim Breast Pump
Share
Momcozy Air 1 Ultra-slim Breast Pump
Momcozy Air 1 Ultra-slim Breast Pump
$419.99 - $
Momcozy Air 1 Ultra-slim Breast Pump
Share
Momcozy Air 1 Ultra-slim Breast Pump
Momcozy Air 1 Ultra-slim Breast Pump
$419.99 - $
Momcozy Air 1 Ultra-slim Breast Pump
Share
Momcozy Air 1 Ultra-slim Breast Pump
Momcozy Air 1 Ultra-slim Breast Pump
$419.99 - $
Momcozy Air 1 Ultra-slim Breast Pump
Share
Momcozy Air 1 Ultra-slim Breast Pump
Momcozy Air 1 Ultra-slim Breast Pump
$419.99 - $
Momcozy Air 1 Ultra-slim Breast Pump
Share
Momcozy Air 1 Ultra-slim Breast Pump
Momcozy Air 1 Ultra-slim Breast Pump
$419.99 - $
Momcozy Air 1 Ultra-slim Breast Pump
Share
Momcozy Air 1 Ultra-slim Breast Pump
Momcozy Air 1 Ultra-slim Breast Pump
$419.99 - $
Momcozy Air 1 Ultra-slim Breast Pump
Share
Momcozy Air 1 Ultra-slim Breast Pump
Momcozy Air 1 Ultra-slim Breast Pump
$419.99 - $
Momcozy Air 1 Ultra-slim Breast Pump
Share
Momcozy Air 1 Ultra-slim Breast Pump
Momcozy Air 1 Ultra-slim Breast Pump
$419.99 - $
Momcozy Air 1 Ultra-slim Breast Pump
Share
Momcozy Air 1 Ultra-slim Breast Pump
Momcozy Air 1 Ultra-slim Breast Pump
$419.99 - $
Momcozy Air 1 Ultra-slim Breast Pump
Share
Momcozy Air 1 Ultra-slim Breast Pump
Momcozy Air 1 Ultra-slim Breast Pump
$419.99 - $
Momcozy Air 1 Ultra-slim Breast Pump
Share
Momcozy Air 1 Ultra-slim Breast Pump
Momcozy Air 1 Ultra-slim Breast Pump
$419.99 - $
Momcozy Air 1 Ultra-slim Breast Pump
Share
Momcozy Air 1 Ultra-slim Breast Pump
Momcozy Air 1 Ultra-slim Breast Pump
$419.99 - $
Closes the player
Meet the Slimmest* Wearable Breast Pump
With smart power inside.
A completely transformed wear.
Disappears under any outfit. Seamlessly blends into your daily life.

Take a closer look.

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

Industry First.
Transparent Top View.

Perfect fit from the start for clear, confident pumping.

Redefining In-Bra Pumping.
No more guess work. Just peace of mind. Powered by 62 patented innovations.

Unseen Power. Just in Case.

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

Personalized Rhythm. All made for you.
Easily adjust mode, suction, and speed to match your body’s unique rhythm.
One and only Your Rhythm
One and only Your Rhythm.
Save your favorite patterns and create routines
that work best for your body.
Save your favorite patterns and create routines that work best for your body.
Two Expert Patterns
Two Expert Paterns
Expert pre-set pumping rhythms crafted for elevated
comfort and efficiency.
Enjoy pre-set pumping rhythms crafted for elevated comfort and efficiency.
Three Standard Modes
Three Standard Modes
Switch between Stimulation, Expression, or Mixed for
every stage of pumping.
Switch between Stimulation, Expression, or Mixed for every stage of pumping.

Smart Pumping. Simply Done.

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

Auto Mode Switching


Smartly transitions from stimulation to expression for effortless, optimized pumping.

Real-Time Milk Tracking


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

Full Collector Alerts


Get notified when it is full, without worrying about leaks.

Visualized Lactation Data


Watch your output trends clearly with charts and timelines.

Final Touch. Premium Comfort.
Soft, flexible flange contours to your unique shape.
Slim. Smart. In Control.
Slip it under any outfit, moves in harmony with you.
Unbox Your Pumping Freedom.
All sizes fit, stylishly powered, and ready for your day.
Media Coverage

Find Your Perfect Breast Pump

Momcozy Breast Pump Comparison

FAQs

Why do you need an Ultra-Slim Breast Pump?

An ultra-slim breast pump is defined by its compact, thin profile, designed to fit completely and discreetly inside a standard nursing bra. This design addresses the core challenge of conventional wearable pumps: bulkiness. You need a slim breast pump if your routine includes:

  • Pumping in public or at the office: The thin profile ensures maximum discretion under any outfit.
  • Moving freely: Its lightweight design moves with you without feeling heavy or noticeable.
  • Prioritizing comfort: A thin breast pump often fits closer to the body’s natural contours, leading to a more secure and comfortable fit during the session.

What makes the Momcozy Air 1 different from other breast pumps?

The Momcozy Air 1 is the slimmest breast pump on the market, measuring just 2.4 inches thick—22% slimmer than the M9 Mobile Flow™. Its ultra-slim, lightweight design allows for a discreet and comfortable fit under clothing, making it ideal for moms who need to pump on the go. This dedication to compactness makes it a truly unique and efficient slimmest breast pump solution. The Air 1 also features a transparent top design, ensuring effortless nipple alignment for a hassle-free pumping experience. Despite its compact size, it delivers powerful and efficient suction, supporting optimal milk expression while maintaining comfort.

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

Absolutely! The Air 1 ultra-slim breast pump is designed with ease of use in mind. This wearable breast pump features a transparent top that helps moms quickly align the nipple for optimal comfort, while the app integration simplifies mode switching and tracks milk volume in real-time. With only 5 parts to clean and assemble, this is perfect for busy moms, even if it's their first time using a breast pump.

How to use Momcozy Air 1 Ultra-Slim Breast Pump?

Using the Air 1 involves simple steps to secure the pump and start your session:

  1. Assembly: Ensure the five parts are clean and correctly sealed.
  2. Placement: Place the pump onto your breast, using the transparent top to verify your nipple is centered in the flange tunnel.
  3. Operation: Power the device on. Use the control buttons or the Momcozy app to select your preferred mode (Stimulation, Expression, or Mixed) and adjust the suction level.
  4. Finish: Once the collection cup is full (the app will notify you), power the pump off, carefully remove it, and pour the milk into a storage container.

How can I ensure correct nipple placement with the Air 1?

The Air 1 ultra-slim breast pump features an innovative transparent top design - the first of its kind in the market. This allows you to easily see and adjust nipple placement for optimal comfort and efficiency. You can also monitor milk collection in real-time from the transparent top without having to remove the pump, making the whole process more convenient and effective.

Can I monitor my pumping sessions and milk production?

Yes! The Air 1 ultra-slim breast pump integrates seamlessly with the Momcozy app, offering smart features like: Automatic mode switching, Real-time milk volume tracking, Full-collector notifications, Hands-free operation. This smart breast pump's integration helps you optimize your pumping schedule and monitor your milk production efficiently.

How long does the Momcozy Air 1 breast pump last on a single charge?

The Momcozy Air 1 ultra-slim breast pump comes with a wireless charging case, making it the first Momcozy breast pump with this feature. A fully charged case supports up to 15 pumping sessions, ensuring moms can pump anytime, anywhere without worrying about battery life. Designed for on-the-go convenience, the Air 1 is perfect for busy moms who need a reliable, portable slim breast pump solution to maintain their pumping routine effortlessly.

How to use the charging case of Momcozy Air 1 Ultra-Slim Breast Pump?

The Air 1 features a convenient wireless charging case for portable power:

  1. Placing the Pump: Insert the Air 1 pump unit into the charging case. Ensure the charging points align correctly.
  2. Charging Time: Once the case is plugged into a power source, it charges the pump units wirelessly. A fully charged case provides up to 15 pumping sessions.
  3. On-the-Go Power: When you are away from an outlet, the charged case acts as a power bank, keeping your slim breast pump ready for use anytime, anywhere.

How to clean Momcozy Air 1 Ultra-Slim Breast Pump?

Proper cleaning is essential to maintain hygiene and pump function. The Air 1 has only five parts that require cleaning:

  1. Disassemble: Separate all components (milk collector, milk collector back cover, flange, valve, diaphragm, motor).
  2. Wash: Immediately after use, rinse the non-electrical five parts (milk collector, milk collector back cover, flange, valve, diaphragm) with running water. Wash them thoroughly with soapy water.
  3. Rinse & Dry: Rinse all parts again with clean water. Air-dry them completely before assembly or storage. The motor unit should only be wiped clean with a dry cloth; never submerge it in water.

How customers say about

4.8
Rated 4.8 out of 5 stars
Based on 45 reviews
Total 5 star reviews: 38 Total 4 star reviews: 7 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
100%would recommend this product
Slide 1 selected
45 reviews
  • CR Profile picture for Caprisha R.
    Caprisha R.
    Verified Reviewer
    Reviewing
    Momcozy Air 1 Ultra-slim Breast Pump
    I recommend this product
    Rated 5 out of 5 stars
    3 days ago
    Momcozy Air 1 is a must have!!!

    As a mom to twin boys currently in the NICU, I needed a pump that is easy to use on the go and has a long-lasting battery. I was advised to get a wall-plug pump instead of a wearable one, and I'm so glad I went with my gut and got the Momcozy Air 1.

    The Momcozy Air 1 also gets bonus points for helping me induce lactation after months of struggling with other pumps.

  • HR
    Heather R.
    Reviewing
    Momcozy Air 1 Ultra-slim Breast Pump
    I recommend this product
    Rated 5 out of 5 stars
    1 week ago
    Why the Momcozy Air 1 is My Absolute Favorite 🤍

    ​The Momcozy Air 1 is a total game changer. What I love most is the true wireless freedom! no tubes or cords means I can move around, tidy up, and tend to my kids without being stuck to a wall.

    ​Unlike traditional pumps, it’s incredibly lightweight, fits comfortably in a standard nursing bra, and has a gentle, natural suction that doesn't feel aggressive. It completely gives me my time and autonomy back, making my pumping journey so much more sustainable and stress free. Couldn't recommend it more! 🙌🤍

  • AI
    Alyssa i.
    Verified Reviewer
    Reviewing
    Momcozy Air 1 Ultra-slim Breast Pump
    I recommend this product
    Rated 5 out of 5 stars
    1 week ago
    We love momcozy air 1!

    I’ve been alternating breasts throughout the day while pumping. I’ll pump one side while nursing on the other, then switch sides at each feeding.

    At night, when my girl wakes up, I warm a fresh bottle from that day’s pump in my Momcozy bottle warmer while I pump both breasts and feed her the bottle.

    And we definitely can’t miss that 2 a.m. pump — that’s when milk production is at its best.

  • V
    Veronica
    Verified Reviewer
    Reviewing
    Momcozy Air 1 Ultra-slim Breast Pump
    I recommend this product
    Rated 5 out of 5 stars
    3 weeks ago
    My favorite pumps

    This pump is great! My second Momcozy pumps. They work great. It’s slimmer than the usual pumps. Holds about 6oz, you can customize your own setting. It warns you when the pumps are getting full, sends a notification through the app and also sends a specific vibration from the pumps itself. I that’s a great warning especially if you are an over producer. The charge lasts a pretty decent time. It also has a small case to go with it. It is worth every penny if you decide to purchase.

  • JS Profile picture for Jessica S.
    Jessica S.
    Verified Reviewer
    Reviewing
    Momcozy Air 1 Ultra-slim Breast Pump
    I recommend this product
    Rated 5 out of 5 stars
    3 weeks ago
    ✨💖Momcozy Air1 Real Life💖✨

    Some of these are from a month ago and some very recent but these puppies have been with me through so many ups and down in my supply and just life, I almost feel like they are my friends at this point 😆. When I first started pumping I hated it !! I couldn’t do it being plugged into a wall my baby just wasn’t having it at all, my beautiful partner got me these and literally I get such a good output and can actually live my life more freely. I took them out a couple times on hikes and they did great I can’t wait to do more bigger ones this summer and see how they do. All in all tho I love them they are slim, cozy, a little noisy but cute and easy! It’s the only way you can get me to pump so I have a lot of love for these beauties!

    #MomcozyAir1 #Air1RealLife

  • MW Profile picture for Monica W.
    Monica W.
    Reviewing
    Momcozy Air 1 Ultra-slim Breast Pump
    I recommend this product
    Rated 5 out of 5 stars
    3 weeks ago
    Mom-life balance

    Momcozy products have really saved my mom-life balance. Thanks to having my Air 1s and my Milk Cooler I’ve been able to enjoy going to concerts, travel, and theme parks while providing for my LO! It’s true that it takes a village, but Momcozy has been a huge part of making this possible. I’m truly so grateful.