Willow® Wearable Breast Pump Generation 3

Rated 4.1 out of 5
490 Reviews

Meet the all-in-one breast pump that fits in your bra and goes where you go. Our patented, no-spill technology lets you pump smarter and fully hands-free.

More comfort. More control. And 20% more milk*.

What's New for Generation 3?

Willow Pump Generation 3

Re-engineered from the inside out, our Generation 3 smart pump offers more comfort and control – and helps you get more milk.

  • Slower, softer pumping rhythm designed for comfort
  • Smart Suction technology adjusts based on your preferences to increase output (no need to press a button)
  • Plus, a new app exclusively for Generation 3 with step-by-step onboarding and personalized pumping tips

Select a Flange Size (Sizing Guide)

Find Your Flange Size

with a ruler app on your phone

    Your flange size is based on your nipple measurement in millimeters. Use an app ruler for easy and accurate sizing

    • Download "Ruler 2.0" for iOS or "Millimeter" for Android phones.
    • In iOS app settings, set measurement to “mm”. For Android, select default calibration.
    • Stimulate nipple to perk it up
    • Place phone screen perpendicular to nipple. (Figure 1)
    • Nipple base should line up with the zero points in the corner of app screen (Figure 2)
    • Slide measurement bar on screen to opposite nipple base - that’s your nipple measurement. (Figure 3)
    • Use a flange that’s 2-4 mm larger than your nipple measurement. (Figure 4)
      • Willow Size Guide

        FRONTAL VIEW
        Hold phone
        perpendicular to nipple.

        Willow Size Guide

        TOP DOWN VIEW
        Use your finger to slide the ruler line to measure nipple.


        Flange Size Chart 4

        Find the right flange sized based on
        your measurements.

        Flange Size Chart
$499.99
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Milk Storage Options

Pump Your Way

Willow is the only in-bra pump that gives you the flexibility to pump directly into spill-proof storage bags (24 included with Pump Kit) or reusable Containers (sold separately).

Milk Storage Options

Pump Your Way

Willow is the only in-bra pump that gives you the flexibility to pump directly into spill-proof storage bags (24 included with Pump Kit) or reusable Containers (sold separately).

  • Everything works inside the Pump and inside your bra, with no external tubes, cords, or dangling bottles to hold you back.
  • Milk flows into the self-sealing and spill-proof disposable collection and storage bag (an essential part of the Pump Kit) or reusable Container inside the Pump (Container accessory sold separately).
  • Smart, proprietary technology responds to your body and maintains suction similar to a baby, enabling true mobility without spilling a drop.
  • Lie down, bend over, play with baby, take a conference call… pump wherever the day takes you!
  • The only wearable pump offering the option to pump into either Milk Bags or Reusable Containers
  • The only wearable pump that is totally enclosed and spill-proof in any position, with self-sealing Milk Bags
  • Quiet for discreet pumping
  • Seven levels of suction comparable to most traditional double electric and hospital grade pumps, with two new lower suction levels and a new sensitivity setting
  • Smart Suction technology adjusts based on your preferences to increase output (no need to press a button)
  • New app exclusively for Generation 3 with step-by-step onboarding and simple, fast pairing – plus volume tracking, session history, and personalized pumping tips
  • Compatible with iOS (iPhone 6 or newer) and Android (supported models)
  • Only two parts to clean (dishwasher safe)
  • BPA free
  • Rechargeable battery lasts up to 5 pumping sessions to get you through the day
  • One year warranty

Willow comes with everything you need to get started:

  • (2) Willow Pumps
  • (2) 24mm or 27mm Flanges (21mm Flanges ship in a separate box)
  • (2) Flextubes™
  • (24) 4 oz. Milk Bags
  • (2) Cleaning Brushes
  • Charger
What are the new features for Willow Pump Generation 3?
We’ve re-engineered how Willow pumps to yield more milk per session - and offer more comfort and control. Generation 3 has a slower, softer pumping rhythm and a sensitivity setting for comfort, plus new Smart Suction technology that adjusts based on your preferences to help you get more milk. Compatible with our new app exclusively for Generation 3, which offers fast, easy pairing, step-by-step onboarding, and personalized tips.
How do I download the Generation 3 App?
Our Generation 3 App is available for iOS and Android.
Do you offer financing?
Yes! We partner with Affirm to offer payment plans for the Willow Wearable Breast Pump. Learn more
Can I use my HSA/FSA?
Yes you can. Simply pay for your breast pump, milk bags, and accessories using your FSA/HSA debit card at checkout, or pay with another credit card and submit your receipt to your plan administrator for reimbursement.
Is Willow covered by insurance?
Some women are able to obtain full or partial reimbursement for their Willow Pump through insurance. We recommend you contact your insurance provider to see if they will cover some or all of the cost of the pump.
Does Willow work with larger breast sizes?
Yes. Willow was designed to work with larger breast sizes including G and H bra cups. See our Sizing Guide for fit.
Do I need a special bra for Willow?
We recommend wearing Willow with a full-coverage nursing bra that’s stretchy and has a flap. Avoid underwire and padded bras.
What sizes are available?
Willow offers Flanges and Milk Container accessories in size 21mm, 24mm & 27mm. Unsure of your size? Visit our sizing guide.
Can you ship Willow internationally?
Not at this time, but our goal is to get Willow into the hands of women around the world—so it’s something we hope to offer in the future.

Awards & Accolades

average rating 4.1 out of 5
Based on 490 reviews
  • 5 Stars
    271 Reviews
  • 4 Stars
    110 Reviews
  • 3 Stars
    32 Reviews
  • 2 Stars
    32 Reviews
  • 1 Star
    45 Reviews
82% of reviewers would recommend this product to a friend
Customer photos and videos
490 Reviews
Reviewed by Anna
Verified Reviewer
I recommend this product
Willow Pump
Gen 3
Rated 5 out of 5
Review posted

Easy Pumping

Thank you Willow for simplifying my pumping life! The unit is easy to wear, very quiet & has gentle suction. I no longer have to hand massage during sessions since it does all the work for me. It empties me every time. I am very happy with this purchase and recommended it to friends.

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Willow Pump

Hi Anna! Thank you so much for taking the time to share with us! We couldn't be happier to hear how Willow has simplified your pumping life!

Reviewed by Samantha
Verified Buyer
I recommend this product
Willow Pump
Gen 3
Rated 5 out of 5
Review posted

Love my Willow!

I have the 3.0 and I don’t use any other pump and have awesome output. I mainly use the containers, but will use the bags when I’m able get out and about. I’m a teacher, and with distance learning I don’t have anyone to cover my classes so that I can pump. Willow has been a lifesaver! I wouldn’t be able to keep pumping without it!

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Willow Pump

That's awesome Samantha! So glad you're able to pump conveniently while working! #withWillow

Reviewed by Keri H.
Verified Reviewer
I recommend this product
Willow Pump
Gen 3
Rated 5 out of 5
Review posted

Makes life easily manageable

I have a 2 year old and a newborn, and having the Willow pump easily allows me to pump when I want to and need to. It takes so much stress out of my day knowing that I can pump while doing my daily activities, instead of having to set aside time to sit down and pump. The willow is fast, easy, and efficient. Their customer service is also fast, easy, friendly, and efficient. It really does take the work out of pumping so you can spend your time on more important things. I would definitely recommend it!

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Willow Pump

Hi Keri! Yay! We love hearing this! This is exactly why we love what we do at Willow! We'll be sure to pass this along to our customer service team as well!

Reviewed by Brittan L.
Verified Buyer
I recommend this product
Willow Pump
Gen 3
Rated 5 out of 5
Review posted

Game changer

I purchased the Willow while pregnant with my second son because I anticipated not having a lot of time or flexibility to pump with a toddler around. This pump had a bit of a learning curve but the videos were really helpful and now that I have the hang of it, I love it! I’m able to pump 4oz in ten minutes and have enough milk to spare so that my husband can help me with night feedings (something I never was able to do before). Love this pump!

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Willow Pump

We're so glad you love your Willow pump!! Thanks for reaching out to share the love!

Reviewed by Karrie L.
Verified Reviewer
I recommend this product
Willow Pump
Gen 2
Rated 5 out of 5
Review posted

Changed my Life

Willow thought of everything. I bought this pump because I had to fly for a work trip and knew we would be driving to meetings all day with colleagues in the car. I didn't want to take time to stop, find a place to plug in and have everyone wait for me....but then I found this, had it shipped to meet me in CA (opened and sanitized and charged it) and the next day I took it out on the road. It worked like a dream and nobody even noticed I was pumping. I even wore them in the office while at my computer and people had no idea. Honestly, for a working mom....there is nothing like it. The are quiet and better than the pumps I've used at the hospital. So thankful for this product.

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Willow Pump

So glad Willow has helped you meet your breastfeeding while working, Karrie! Yay! #withWIllow